The convenient carry strap and compact fold make this seat easy to take along to restaurants, on vacation, or to visit family. The Pocket Snack Booster Seat features easy-to-clean surfaces, three tray positions, three height adjustments, and a three-point harness. The Pocket Snack is designed to be used only on dining chairs. The two straps and rubberized feet secure Pocket Snack to the dining chair. For children up to 50 lbs. The Pocket Snack is designed for children up to 50 pounds. Use only on dining chairs with a seat at least 14 inches wide, 14 inches deep, and a backrest at least 12 inches high.