•Adjustable fits from 18" to 23" in circumference; adjustable with Velcro on the rear side
•Weight just 3 oz with thickness an inch..Although Add a little weight on baby head, can provide protection for toddlers and kids from collision and friction during walking or crawling.
•Cotton Material, very soft, super lightweight and sweat-absorbent, with great breath-ability , padded design provides a comfortable & breathable fit The baby helmet very comfortable to wear.
•Designed to cushion everyday bumps & bruises while your toddler learns to walk
•Protect your child's head from bumps and bruises while learning to sit, crawl, walk, and for children with special needs.