1.Nylon Material Hair Bands+High Quality Twill Fabric Bows 2. The material is made of soft nylon,they are very stretchy.the elastic headband fits most babies from newborn to toddler. 3.The nylon elastics are the most softest, most comfortable ones and we guaranteed not to leave marks on your little ones head. 4.These nylon headbands are perfect gift for any occasion! Birthdays, Baby Shower, Baby Gifts!