The toddler helmet made of 100% cotton material. Various eye-catching colors & patterns Lightweight, breathable, & comfortable design. Adjustable 18.8-22" circumference is specially designed to suit any size of infant head. Easy to wear, convenient bumper helmet hat that helps protect your child's head from bumps & other head injuries with its' softly padded design; Perfect accessory for your little one as they are just beginning to learn how to walk.