Kore Design's Wobble Chair means pre-schoolers don't have to sit still. Kore Wobble Chairs transform the boring conventional seat into a chair that really ROCKS! Regular chairs force pre-schooler's bodies to conform to an unnatural posture. The innovative Wobble Chair allows one's knees, hips and back to find comfortable and ever-changing positions. The Kore Chair is NOT just a piece of Furniture, it's a LIFE Changer. Made in USA and has limited lifetime warranty. Will hold weight up to 275 lbs.