Leitz Ergo Cosy Active Sitting Ball

The Leitz Ergo Cosy Active Sitting Ball encourages back and core muscle movement, improving posture and relieving back pain. Ideal for use as an additional desk chair to keep you active while you work, a yoga ball, or for back stretching, physiotherapy and gym ball workouts. Quick and easy to inflate, it comes with a hand pump, 2 plugs and has a durable carry handle making it easy to carry from room to room. With its minimalist design and matt finish colours, this stylish exercise ball chair will improve health and wellbeing by creating the perfect active working set-up. Combine with other Leitz Ergo products for an inviting and flexible workspace that keeps you moving all day.

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Includes Handle

Includes a strong and durable carry handle to easily move the sitting ball from room to room

Versatile Use

The 65cm diameter sitting ball can be used at your desk, in the home or for exercise

Improves Posture

Encourages the use of back and core muscles to help improve posture whilst you work

Stay Active

Can be used for exercise such as yoga and balance workouts, or for stretching and physiotherapy

Which Size Sitting Ball Do I Need?

Buying the right Sitting Ball size is just as important as adding movement to your working day.  The wrong ball size will leave you uncomfortable and unable to focus on your work.

Select our 75cm Ball if you are 181-200cm tall, our 65cm Ball if you are 156-180cm tall or our 55cm if you are 135-155cm tall.

Shop all Sitting Balls


  • Stylish and ergonomically designed exercise ball chair to keep you active all day
  • Encourages back and core muscle movement to improve posture, flexibility and helps relieve back pain
  • Ideal for use as an additional desk chair to keep you moving while you work
  • Use for exercise such as yoga, gym ball or balance workouts, back stretching, physiotherapy and ab exercises
  • Features a strong and durable carry handle to easily move from room to room
  • Generous 65cm diameter with a robust phthalate-free inner ball, can hold up to 100kg
  • Parts include the inner gymnastic ball, fabric ball cover, hand air pump and 2 plugs
  • Quick and easy to set up by inflating the inner ball with the hand pump supplied and insert the plug
  • Ball cover can be removed and is hand washable for hygiene
  • Plastic free packaging
  • The Leitz Ergo Cosy range combines style with premium quality to create a healthy and active work environment


Warm Yellow
Dimensions (W x H x D mm)
650 x 650 x 650

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