#1 Rated Toddler Booster; Fits 4 legged chairs (round, square or curvy legs)nBest Booster Seat for dining snaps on chair in seconds and stays attached even when chair is movednPortable chair booster is engineered to improve chair stability and holds up to 300 poundsnBooster chair alternative is compact and lightweight, easily folds and has 2 height positions grows with your toddlernRubberized feet are non-slip and wonu0026#39;t scratch floorsnKABOOST is a booster seat for dining that goes under the chair! The portable chair booster is perfect for little kids who want to sit like big kids. Product Features: Compact and lightweight booster chair alternative • Tested and approved • Snaps-on chair in seconds - quick and easy to use, stays attached when chair is moved • Rubberized feet - non-slip, won't scratch floors, grips chair legs firmly into place • Sturdy design - engineered to improve chair stability, holds up to 300 pounds • Adjustable spring system - fits 4-legged chairs, round, square or curvy legs • Two height positions - same heights as standard booster seats (3.75" and 4.5") • Grows with your child • Weighs only 3.5 lbs • Easy to fold and carry - perfect for taking to grandparents, friends and restaurants • No assembly required • Dimensions: 13" x 12" x 6.75"