SAFE PREMIUM MATERIAL — Our baby protective hat’s outer layer made of high quality 100% cotton, no formaldehyde, no peculiar smell, not easy to fade; the inner layer is filled with muti-functional XPE foaming material, which can reduce the shock when the baby falls, safety and comfortable to your baby. BREATHABLE & LIGHTWEIGHT — 3D ventilation strip and holes design, circulate ventilation, absorb sweat and heat better, super breathable, the baby will not feel sultry when wearing it at a long time, and it also increase the effect of shock absorption and impact resistance. Ultra-light material, only 58g, this safety cap perfect for baby to wear all over the year. 360° ANTI-COLLISION HEAD CAP — This toddler anti-fall head protection hat suitable for children who are learning to walk, craw and stand, can mitigate damage to baby head when infant head collided, reduce shock, protect baby brain healthy and keep infant head away hurt. A perfect gift for newborn baby, friends or family who have baby. ADJUSTABLE BABY HEAD PROTECTION — Head circumference from 43cm to 60cm with adjustable hook and loop closure and chin strap, it can be adjusted freely according to head shape and head circumference, suitable or baby ages 6- 36months. ATTENTION — ATTENTION — This baby infant head protective hat can’t be used as Professional Baby Safety Hat Equipment, so please use the professional safety equipment when riding on a bicycle, electric bike and motor bicycle and playing outdoors, and please take care of the baby even wear this child walking cap. Please keep baby away from heat source and sharp things.