Our Hello World hat and swaddle will have your newborn super cozy and camera ready. This ready-to-use set will make it easy to snap the perfect photo and introduce your little one to family and friends. A special gift for any mom to-be! Each set includes: silky soft bamboo muslin swaddle, adjustable bamboo jersey knot hat (size 0-4 months), and a HELLO birth announcement sticker. Wash in warm water. 70% Bamboo Viscose, 30% Cotton.