Originally Posted by
toverly
I haven't seen that, I will definitely look for it. I have one of the purple round cushions. Really wouldn't recommend it, it's like sitting on a soft rubber ball. There is definitely some core muscles being used for balance. I purchased it hoping to put it down on standard chairs at retreats and bee. It elevates about 2 inches, making the sewing surface the correct height on standard folding tables.
Several people in our quilt guild use them, me included. They all seem to lose air after a time.