The Sleepy Time Headrest - The Sleepy Time Headrest gently and securely supports your child’s head when traveling, preventing it from constantly falling forward, or jerking from side to side while sleeping in the car. It also provides safe, comfortable support for special needs children that need additional support but dislike the rigid confinement of a forehead strap or hard collar. It supports under the child’s chin and keeps the head and neck in proper alignment while putting no stress on the throat or neck. This unique design is patented and has been dynamically crash tested according to the FMVSS 213 (Federal Motor Vehicle Safety Standard). The soft cotton headrest is portable and easy to install. It works in conjunction with all brands of car seats, wheelchairs, strollers, feeder seats, swings, carriers, booster seats with backs and many other applications where your child needs support.Is the headrest confining?No. It supports under the child’s chin and keeps the head and neck in proper alignment and puts no stress on the throat or neck.Will it interfere with the car seat straps?No. The headrest doesn’t interfere with the straps at all. Should I purchase an Infant or a Toddler Headrest?Generally speaking, the Infant Headrest works for children up to 24 lbs. The Toddler Headrest works for children 25 lbs and up. Children should weigh at least 15 lbs before using the Velcro straps.Is it washable?Yes. Wash in cold water, gentle cycle. Dry on very low heat or air dry.