Lightweight, breathable and lovely baby safety helmet offers most ideal protection for toddlers during crawling/playing/walking; The head cushion can effectively protect the baby during the collision and the friction caused by the bump and fall. The bumper bonnet provide a reduced shock, cushioning effect, prevent or reduce the baby's head injuries | Lightweight, breathable and lovely baby safety helmet offers most ideal protection for toddlers during crawling/playing/walking; The head cushion can effectively protect the baby during the collision and the friction caused by the bump and fall. The bumper bonnet provide a reduced shock, cushioning effect, prevent or reduce the baby's head injuries | Adjustable 17.5-21.5 inches circumference is specially designed to suit any size of infant head, offers maximum safety with comfort for your loved kids | The outer layer is made of cotton, the fill-in layer is a high density and elastic sponge free from smell. Designed for maximum shock absorption and impact resistance | Weighs about 3 ounces and thickness less than an inch, the cotton belts will help securing the product on baby's head with maximum comfort