Material: Made with super-soft crystal velvet fabric and thick PP cotton filler, this baby protector backpack offers a gentle, breathable cushion Effective Back Protection: Designed to reduce impact during falls, this protector backpack helps protect your baby's back, offering extra safety when they are learning to crawl, walk, or sit. Adjustable Straps and Comfortable Fit: Equipped with adjustable shoulder straps and a chest strap, this baby protector backpack ensures a snug, customizable fit for comfort Lightweight and Portable: At just 12 x 8 inches, this baby protector backpack is lightweight（Only 0.39 pounds） and easy for your little baby to wear without adding extra strain, making it ideal for active toddlers. Perfect Presents for Toddlers: A thoughtful present for baby girls and boys.