Baby Head & Back Protection: Helps protect baby’s head and back from falls and provides support to reduce impact during crawling or walking Lightweight & Comfy: Weighs only 0.4 lbs, so your baby can wear it comfortably without feeling heavy Soft & Safe Materials： Made of soft fabric and PP cotton with good cushioning .Shoulder strap and chest strap of the baby head protector can be adjusted easily, giving the baby a comfortable wearing experience Knee Pads & Socks Included： Includes one pair of knee pads and socks with anti-slip dots to prevent slipping and protect knees from scrapes. Helps babies crawl more steadily Cute Design, Great Gift： Adorable cartoon animal shapes make it fun to wear—perfect as a gift for babies learning to crawl or walk ASIN B0F8QSW743 Style Style 2 Item Weight 8.4 ounces Batteries required No Package Dimensions 11.54 x 9.33 x 1.46 inches Material Composition Cotton Additional product features Adjustable shoulder strap