Coregeous Yoga Tune Up Ball (Inflatable)
The Iris Coregeous® Ball is an inflatable air-filled sponge ball with a unique soft-stretchy "skin" to massage and activate your core and stretch your psoas. This special tool allows you to gently and safely access your innermost abdominals. (approx. 22" round circumference and 7" high but can vary up to 1").