NEW IMPROVED CUSHION! plush dimple cushion engineered to let you sit comfortably longer. Topped with 3”+ of premium molded foam on a large, edgeless 13” diameter seat. THE BEST ACTIVE SITTING CHAIR! Rock, swivel, move & burn calories while sitting. Easy to sit on. Fast to get up from. More functional, fun and aesthetic than a balance ball. Small, compact footprint PERFECT STANDING DESK PERCHING STOOL: the adjustable height Wobble Stool takes a load off your legs letting you rest and perch near standing height. It’s the best standing desk office stool