The JLL Wobble Balance Board combines all the advantages of a gym ball, sitting cushion and wobble board and forces the user to actively work the supporting muscles of the back to remain stable. Instructions: Insert the needle of the pump into the tiny hole for inflation; Insert the needle only without the barrel of the pump into the hole for deflation. Find the hole on the 4th outer ring-One spiky dimple is replaced by that tiny hole.
J**2
Not what we paid for
We ordered two, both pumps broke before we'd fully inflated both cushions and one of the cushions was leaking air as soon as it was inflated.
A**R
Great!
Great for physio therapy use
