‎Polypropylene, Cotton

[Head & Back Protection] - Baby head protector helps protect baby's head and backside when they are crawling and walking. Reduce head and back injury. Cute butterfly design is deeply loved by babies. [Baby's Knees Protection] - Baby Knee Pads protect baby's knees from bruises and scrapes when they are crawling or learning to walk. The pad with silicone anti-slipper points makes your baby more stable while crawling. Three kinds of color easily matches baby's clothing. [Super Soft Material] - Baby Head protector is made of great cotton & the soft crystal velvet fabric. Very soft and breathable! Baby knee pads have a high elastic sponge so it perfectly fits the baby legs and it's suitable for most babies.