KABOOST Portable Chair Booster Give kids the excitement of sitting on an adult chair with the KABOOST Portable Chair Booster, which fits snugly on a four-legged chair. It improves the stability of the chair by providing a fixed, sturdy support. The booster snaps easily to chairs and stays on even when the chair is moved. Why You'll Love It: This easy-to-install chair booster fits on any four-legged chair. Features Portable 2 height positions Non-slip rubberized feet Compact and lightweight Easy to fold and store Weight Limit: Up to 300 lbs.