SECURE FIT: Sure & Secure Suction Cups on the arms keep My Bath Seat in place during tub time EASY SETUP: Installation is simple, just extend the rear arm and place in bathtub opposite the faucet, position and lock rear suction cup, and lock both side suction cups HANDS-FREE DESIGN: My Bath Seat provides baby 360° of support, freeing up your hands to clean and play SUPPORTIVE BACKREST: A high and sturdy backrest gives your baby bath support when they need it most RECOMMENDED TUB SIZE: Fits standard rectangular tubs 21”-24” wide (do not use product in a non-rectangular, oval, jacuzzi, or whirlpool style tub or a tub with water jet nozzles; never use more than one My Bath Seat in the tub at a time)