[Recommended Age] For babies and toddlers from Ages 7months to 2 years. Fits head circ. 40-52cm.(15.8 in -20.5 in) | ?? [Ultra Lightweight] Our safety helmet weighs less than 3.5 oz. (100g) and protects your baby's growing head and does not cause any pressure on neck muscles while in motion. | ?? [Strategic Padding Placement] Our baby helmet is patented and designed to add an extra layer of protection for your baby’s fontanelles and the back of their head. Cushioned interior helps reduce injury due to falls or bumps when crawling, or learning to walk. | ?? [Expandable and Adjustable] Our toddler helmet is designed to support baby’s head growth for their first two years of life and support their developing skull. | ?? [Maximum Air Flow] Our foam helmet has 30+ vents along with a breathable cotton lining that will keep the baby’s head cool and ensure ventilation while limiting body heat. | ??[Comfortable Chin strap] Our infant headgear has a secure soft band V chin strap for a snug fit and also keeps the headgear in place. The chin strap is also lined with cotton. | ?? [Easy Care] The headgear is completely washable. Please DO NOT use bleach or harsh detergents. Hand wash is preferable, however it can be put into the washing machine too with no stress at all. Hang indoors to dry. | ?? [Tested and Certified] Our head protection consists of ¾ inch high-density closed-cell foam made from eco-friendly fabrics and materials that have been tested and certified by SGS. | ?? [Multi-award winning headgear] for babies and toddlers learning to crawl and walk - perfect for unsteady feet and independent minds! | ?? [Perfect Gift] Perfect and meaningful gift for a 1 year old!SafeheadBABY: Award-Winning Infant Safety Helmet, Baby Crawling and Walking Helmet, Toddler Head Protection, Expandable and Adjustable, Ultra-Lightweight, Tested and Certified UsedLikeNew