Baby Head Protector BackpackMaterial: Made of great cotton & soft crystal velvet fabric. Very soft and breathable! Head & Back Protection: Reduce head and back injury. A Baby head protector helps protect a baby's head and backside when crawling and walking. Adjustable Plush Straps: Shoulder and chest belts conform to the baby's different sizes, allowing the baby to walk, crawl, and run. Soft & Breathable: Super soft crystal velvet fabric and high elastic PP cotton filler Head