The Seat Belt Snoozer is an original soft, plump, lucky 7-shaped seat belt pillow that attaches to the seat belt shoulder strap with an adjustable closure. It's easy to use and one size fits all. It cradles your head for a comfortable and safe snooze while your seatbelt remains securely buckled. Sleep safely mile after mile without a sore neck. Recommended age: Child must be out of car safety seat and able to use car seat belt shoulder strap. It's machine washable.