The Stability Ball Base by J/Fit will help keep your large exercise ball in place. Great to use when using a yoga ball as an office chair or to use when you are done exercising so your ball doesn't roll away. Can be used during stability ball exercises to provide a more stable environment. Slots in the base allows you to incorporate resistance tubes or toning tubes during your ball workouts.
Comes as four interlocking pieces to form the ring, so it can be broken down and stored easily when not in use. Made of hard, durable plastic. Fits yoga balls from 45cm - 85cm in diameter.