High-elastic and Breathable: Baby head protector is made of high-quality PP cotton and baby skin-friendly breathable fabric which is soft and breathable. It has good rebound function which can better protect the baby's head and back when he falls Adjustable Shoulder Straps: Shoulder and chest belts conforms to baby's different size and free to walk, crawl and run, making the baby comfortable to wear Head and Back Protection: The baby backpack head protector is designed with an "O-shaped", which disperses the pressure on the baby in all directions. Baby head protector helps protect your baby's head and back while crawling and walking, preventing head and back injuries Lightweight and Easy to Clean: The Head Safety Protector Pad is lightweight and stress-free for babies to wear. It is easy to clean and can be machine washed at low temperature Package List: The packag including a head protector backpack for baby walking and one pair of baby crawling socks. An affordable set to keep your toddler be safe! The baby head protector backpack is a perfect gift for babies Baby Head Protector Backpack, Adjustable Baby Head Protection Backpack with Baby Knee Pads for Crawling, Soft, Breathable and Wearing Safety Baby Head Protector