A perfect combination of exercise yoga ball and ergonomic office sitting chair! With a comfortable and anti-slip felt cover,this ball sitting chair can be a great alternative to a traditional office chair,which makes you naturally sit upright and helps strengthen your core as you sit. The soft and durable felt cover is removable and machine washable.Besides,it is easy to set up in a short time,only need 4 steps: ¡騴Put the inner ball in the cover:¡騲 Inflate the ball until the cover is fully filled:¡é? Plug the hole with the included plug:¡騹Zip up the zipper of the cover.

Features:

Comfortable substitute for pregnancy birthing ball,labor ball or desk chair

Anti-burst PVC ball ensures high security and load capacity of 400 lbs/180kg

Yoga ball with felt cover is more comfortable,non-slip and not prone to burst