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Sissel Sitfit
Sissel Sitfit
Sissel Sitfit
Sissel Sitfit
SISSEL® SitFit Plus Balance Cushion
Sissel Sitfit
Sissel Sitfit
Sissel Sitfit
Sissel Sitfit
SISSEL® SitFit Plus Balance Cushion
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Home / SISSEL® SitFit Balance Cushion
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SISSEL® SitFit Balance Cushion

  • Relieve Back Pain & Reduce Tension While Sitting - Ideal for office chairs, dining chairs or home seating, the SISSEL® SitFit Plus Balance Cushion relieves tension in the back, shoulders and neck, helping to prevent fatigue and discomfort during long periods at a desk or computer
  • Active Sitting for Better Posture & Core Strength - The Sissel Sitfit is an ergonomically designed sitting aid and balance cushion that encourages active sitting, strengthens core muscles and improves posture. By subtly tilting the pelvis forward, it promotes a natural, upright spinal alignment and reduces pressure on the lower back
  • Adjustable Pressure for Personalised Comfort - It comes pre-inflated, but firmness can be adjusted easily with a standard pump (not included) to match your comfort level and training needs
£26.95 GBP
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Size
33cm
36cm
Quantity
Only 4 left
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£26.95 GBP each
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Product Description

SISSEL® SitFit Plus Balance Cushion – Improve Posture, Strengthen Core & Relieve Back Pain

 

An effortless way to improve posture, relieve tension, and strengthen your core – all while sitting!

 

So many of us spend the majority of our day sitting, whether at home, at work, or in the classroom. Unfortunately, sitting for long periods can lead to slouching, muscle weakness, and debilitating lower back pain. The Sissel Sitfit is a simple, portable solution that transforms passive sitting into active sitting – engaging your muscles, supporting your spine, and promoting a healthier posture without even thinking about it.

 

What’s Included?

  • 1 x Sissel Sitfit Cushion

  • 1 x Exercise Poster (with posture & strengthening exercises)

 

Why Choose the Sissel Sitfit?

  • Naturally Improves Posture & Core Stability – The Sissel Sitfit balance cushion trains you to sit upright effortlessly, encouraging active sitting and helping prevent slouching.
  • Relieves Back Pain, Tension & Lumbar Pressure – Supports the spine and reduces strain on the lower back muscles, ideal for office workers, students and anyone seated for long periods.
  • Engages Core & Pelvic Floor Muscles While Sitting – Subtly activates stabilising muscles, improving strength and endurance for better posture and spinal health.
  • Multi-Functional Balance & Exercise Tool – Use as a seat cushion, for standing balance exercises, or as a support for push-ups, squats and rehab routines.
  • Perfect for Home, Office, Classroom or Therapy – Lightweight, compact and portable so you can enjoy active sitting anywhere.
  • Recommended for Adults, Children & Special Needs Users – Helps improve concentration, focus and body awareness while reducing restlessness.
  • Adjustable Firmness for Personal Comfort – Easily add or release air via the valve to create the perfect level of support.
  • Latex-Free & Phthalate-Free Material – Safe, non-toxic and skin-friendly, making it suitable for sensitive users or allergy sufferers.
  • Trusted by Physiotherapists & Occupational Therapists Worldwide – A proven tool for posture correction, rehabilitation and healthy active sitting.

 

How Does It Work?

The Sissel Sitfit is an air-filled balance cushion that works like a subtle stability trainer. When placed on your chair, it gently tips your pelvis forward, encouraging your spine to straighten. This activates the muscles in your back, core, and pelvic floor, keeping them strong and supple. Over time, correct posture becomes second nature, reducing backache and fatigue from long hours of sitting.

Unlike bulky gym balls, the Sitfit is compact and discreet, so you can take it anywhere – from office chairs to classroom desks.

 

Not Just for Sitting!

Your Sitfit also doubles as a mini balance trainer. Use it for:

  • Standing exercises – strengthen feet, ankles, and balance by rocking back and forth

  • Push-up support – improve form and engage stabilising muscles

  • Kneeling stability work – build strength and control in your core and shoulders

The included exercise poster gives you a variety of quick, effective routines to get started.  

 

Watch this video to learn more about the SitFit

 

 

Features & Specifications

Recommended For: Anyone who spends long periods sitting and wants to improve posture, strengthen core muscles and reduce back pain
Reducing tension and pressure in the lumbar spine, pelvis and hips during long sitting sessions
Physiotherapy, rehabilitation after injury, or gentle strengthening for the elderly
Use at the office, at home, in the car, or during travel for consistent back support and posture training
Material:Phthalate-free PVC, Air-filled interior and textured surface
Size:33cm Diameter
36cm Diameter
Weight:33cm - 1.29 kg
36cm - 1.56 kg
Contents:1 x Sissel Sitfit Cushion and 1 x Exercise Poster (with posture & strengthening exercises)

Downloads

FAQs

What is the SISSEL® SitFit Balance Cushion?
The Sissel Sitfit Balance Cushion is an inflatable seat pad designed to promote active sitting, improve posture and strengthen your core. By creating gentle instability, it encourages natural movement, helping to relieve back tension, engage stabilising muscles and support pelvic floor health while you sit.

Who is the Sissel Sitfit recommended for?
This ergonomic seat cushion is ideal for office workers, students, older adults, people suffering from back pain or poor posture, and pregnant or postnatal women (with professional guidance). It’s perfect for anyone looking to develop core strength, improve balance and support pelvic health while sitting.

Can I use the Sissel Sitfit while driving?
It’s not recommended for use in cars, as the active sitting design may interfere with safe driving posture and seatbelt positioning.

Is the firmness of the SISSEL® SitFit Plus Balance Cushion adjustable?
Yes. The Sitfit can be inflated or deflated with a needle pump to achieve your preferred firmness, making it easy to customise for comfort, posture training and core activation.

Is the Sissel Sitfit suitable for pelvic floor training?
Yes. The instability of the Sitfit cushion naturally engages the pelvic floor and deep stabilising muscles, making it an excellent tool for pelvic health, postnatal recovery and gentle rehabilitation.

How do I use the Sissel Sitfit?
Simply place the Sitfit on your chair and sit as normal. Its gentle wobble effect activates your core and postural muscles, improving sitting posture and reducing pressure on the lower back. The Sitfit can also be used for standing balance, physiotherapy and rehabilitation exercises to enhance stability and coordination.

Delivery & Returns

 

For domestic (United Kingdom) orders we offer 2 delivery options. The majority of items will be sent via Royal Mail 48 tracked service (delivery 3-5 working days), unless otherwise specified. For your peace of mind all our items will be sent with tracking so you can easily keep an eye on your order. For any orders over £55, shipping is free and will be sent with Royal Mail 48.

Shipping Service Service Level Shipping Cost
  Order over £55  FREE
Royal Mail 24 95% Arrive Next Day £6.49
Royal Mail 48 3-5 Working Days. Free for orders over £55. £4.49

We ship all international orders via Royal Mail International. For estimated delivery times and a full list of destinations we ship to, please visit our Delivery Information page.

Discreet Packaging

We go the extra mile to make sure your purchase is carefully wrapped to conceal its contents—only your address will appear, with no mention of what's inside.

 

Returns

If you’re not 100% happy with your purchase you can return it within 30 days of delivery. Whether it’s the wrong size, or you just want to return it, we will be happy to offer an alternative or a refund. We give 30 days (from date of receipt) to return an item.

If the item is faulty/damaged, you’ll receive a FULL refund. However, if the item is no longer suitable or you have changed your mind, a small postage charge of £3.95 will be deducted. Please ensure unwanted items are unopened, unused, and everything is in a re-saleable condition; if the probe has been used, the price of the probe will be deducted from your order. Please get in touch with our Customer Service Team if you have any questions.

  • Product Description

  • Features & Specifications

  • Downloads

  • FAQs

  • Delivery & Returns

SISSEL® SitFit Plus Balance Cushion – Improve Posture, Strengthen Core & Relieve Back Pain

 

An effortless way to improve posture, relieve tension, and strengthen your core – all while sitting!

 

So many of us spend the majority of our day sitting, whether at home, at work, or in the classroom. Unfortunately, sitting for long periods can lead to slouching, muscle weakness, and debilitating lower back pain. The Sissel Sitfit is a simple, portable solution that transforms passive sitting into active sitting – engaging your muscles, supporting your spine, and promoting a healthier posture without even thinking about it.

 

What’s Included?

  • 1 x Sissel Sitfit Cushion

  • 1 x Exercise Poster (with posture & strengthening exercises)

 

Why Choose the Sissel Sitfit?

  • Naturally Improves Posture & Core Stability – The Sissel Sitfit balance cushion trains you to sit upright effortlessly, encouraging active sitting and helping prevent slouching.
  • Relieves Back Pain, Tension & Lumbar Pressure – Supports the spine and reduces strain on the lower back muscles, ideal for office workers, students and anyone seated for long periods.
  • Engages Core & Pelvic Floor Muscles While Sitting – Subtly activates stabilising muscles, improving strength and endurance for better posture and spinal health.
  • Multi-Functional Balance & Exercise Tool – Use as a seat cushion, for standing balance exercises, or as a support for push-ups, squats and rehab routines.
  • Perfect for Home, Office, Classroom or Therapy – Lightweight, compact and portable so you can enjoy active sitting anywhere.
  • Recommended for Adults, Children & Special Needs Users – Helps improve concentration, focus and body awareness while reducing restlessness.
  • Adjustable Firmness for Personal Comfort – Easily add or release air via the valve to create the perfect level of support.
  • Latex-Free & Phthalate-Free Material – Safe, non-toxic and skin-friendly, making it suitable for sensitive users or allergy sufferers.
  • Trusted by Physiotherapists & Occupational Therapists Worldwide – A proven tool for posture correction, rehabilitation and healthy active sitting.

 

How Does It Work?

The Sissel Sitfit is an air-filled balance cushion that works like a subtle stability trainer. When placed on your chair, it gently tips your pelvis forward, encouraging your spine to straighten. This activates the muscles in your back, core, and pelvic floor, keeping them strong and supple. Over time, correct posture becomes second nature, reducing backache and fatigue from long hours of sitting.

Unlike bulky gym balls, the Sitfit is compact and discreet, so you can take it anywhere – from office chairs to classroom desks.

 

Not Just for Sitting!

Your Sitfit also doubles as a mini balance trainer. Use it for:

  • Standing exercises – strengthen feet, ankles, and balance by rocking back and forth

  • Push-up support – improve form and engage stabilising muscles

  • Kneeling stability work – build strength and control in your core and shoulders

The included exercise poster gives you a variety of quick, effective routines to get started.  

 

Watch this video to learn more about the SitFit

 

 

Recommended For: Anyone who spends long periods sitting and wants to improve posture, strengthen core muscles and reduce back pain
Reducing tension and pressure in the lumbar spine, pelvis and hips during long sitting sessions
Physiotherapy, rehabilitation after injury, or gentle strengthening for the elderly
Use at the office, at home, in the car, or during travel for consistent back support and posture training
Material:Phthalate-free PVC, Air-filled interior and textured surface
Size:33cm Diameter
36cm Diameter
Weight:33cm - 1.29 kg
36cm - 1.56 kg
Contents:1 x Sissel Sitfit Cushion and 1 x Exercise Poster (with posture & strengthening exercises)

What is the SISSEL® SitFit Balance Cushion?
The Sissel Sitfit Balance Cushion is an inflatable seat pad designed to promote active sitting, improve posture and strengthen your core. By creating gentle instability, it encourages natural movement, helping to relieve back tension, engage stabilising muscles and support pelvic floor health while you sit.

Who is the Sissel Sitfit recommended for?
This ergonomic seat cushion is ideal for office workers, students, older adults, people suffering from back pain or poor posture, and pregnant or postnatal women (with professional guidance). It’s perfect for anyone looking to develop core strength, improve balance and support pelvic health while sitting.

Can I use the Sissel Sitfit while driving?
It’s not recommended for use in cars, as the active sitting design may interfere with safe driving posture and seatbelt positioning.

Is the firmness of the SISSEL® SitFit Plus Balance Cushion adjustable?
Yes. The Sitfit can be inflated or deflated with a needle pump to achieve your preferred firmness, making it easy to customise for comfort, posture training and core activation.

Is the Sissel Sitfit suitable for pelvic floor training?
Yes. The instability of the Sitfit cushion naturally engages the pelvic floor and deep stabilising muscles, making it an excellent tool for pelvic health, postnatal recovery and gentle rehabilitation.

How do I use the Sissel Sitfit?
Simply place the Sitfit on your chair and sit as normal. Its gentle wobble effect activates your core and postural muscles, improving sitting posture and reducing pressure on the lower back. The Sitfit can also be used for standing balance, physiotherapy and rehabilitation exercises to enhance stability and coordination.

 

For domestic (United Kingdom) orders we offer 2 delivery options. The majority of items will be sent via Royal Mail 48 tracked service (delivery 3-5 working days), unless otherwise specified. For your peace of mind all our items will be sent with tracking so you can easily keep an eye on your order. For any orders over £55, shipping is free and will be sent with Royal Mail 48.

Shipping Service Service Level Shipping Cost
  Order over £55  FREE
Royal Mail 24 95% Arrive Next Day £6.49
Royal Mail 48 3-5 Working Days. Free for orders over £55. £4.49

We ship all international orders via Royal Mail International. For estimated delivery times and a full list of destinations we ship to, please visit our Delivery Information page.

Discreet Packaging

We go the extra mile to make sure your purchase is carefully wrapped to conceal its contents—only your address will appear, with no mention of what's inside.

 

Returns

If you’re not 100% happy with your purchase you can return it within 30 days of delivery. Whether it’s the wrong size, or you just want to return it, we will be happy to offer an alternative or a refund. We give 30 days (from date of receipt) to return an item.

If the item is faulty/damaged, you’ll receive a FULL refund. However, if the item is no longer suitable or you have changed your mind, a small postage charge of £3.95 will be deducted. Please ensure unwanted items are unopened, unused, and everything is in a re-saleable condition; if the probe has been used, the price of the probe will be deducted from your order. Please get in touch with our Customer Service Team if you have any questions.

FAQ_11144