Polyester,CottonMachine Wash⇒ Material: Unisex newborn hat and gloves, made of high quality Cotton and Polyester, keep the preemie baby soft and warm.⇒ Design: Baby hats 0-6 months, special cute design and several basic colors, match all newborn girls boys clothes. The adjustable knot baby boy hats can comfortably wear for preemie or newborn baby that can tighten or loosen as needed.⇒ Features: Baby boy hats, organic cotton cap and mitten set, soft, warm and breathable. Every little should have a baby bonnet, it must a great baby accessories for your cute baby.⇒ Baby Gift: Baby beanie, a meaningful and lovely gift in the baby shower day or babys birthdays, Christmas and other special days. These baby beanies are the best baby gifts for newborn or preemie, also share it with your family and friends who have cute baby too.⇒ Best Accessories: Easy matching for daily wearing. The unisex hats are suitable for daily life and outdoors. But only be gently washed by hand, not suitable for machine wash or strong scrub.