1 RATED TODDLER BOOSTER Fits 4 legged chairs round square and curvy legs NO ASSEMBLY REQUIRED SNAPS ON CHAIR IN SECONDS straight out of the box and stays attached even when chair is moved ENGINEERED TO IMPROVE CHAIR STABILITY Holds up to 300 lbs Rubberized feet are nonslip and wont scratch floors GROWNUPS USE KABOOST TOO Helps adults with knee pain joint pain arthritis and hip problems to sit and stand on their own and for those who just need a little extra boost From toddlers to grownups grandparents and seniors 2 HEIGHT POSITIONS 375 45 same heights as standard booster seats Flip to the other side to use the other height position allowing it to grow with your child COMPACT LIGHTWEIGHT Weighs only 3 lbs easily folds for storage and travel Works with chairs that have a diagonal leg distance of between 195 inches and 30 inches