2IN1 DESIGN Transitions from an activity walker to a walkbehind walker ACTIVITY TRAY Entertain baby with fun developmental toys and music Toy tray easily removes to provide clear space to eat toy tray requires two AA batteries not included ADJUSTABLE HEIGHT Threeposition height adjustment offers the right height as Baby grows For children up to 25 lbs less than 30inch tall only use walkbehind feature when your child is able to walk on their own SIZE Assembled dimensions 2343L x 1967W x 2677H MACHINE WASHABLE Chair cover is removable and machine washable for easy clean up ULTRA COMPACT Walker folds flat for easy transport or storage SAFTEY CERTIFICATIONS JPMA certified to meet or exceed all safety standards set by ASTM