Bamboo is an eco-friendly, renewable and biodegradable resource grown without pesticides.Bamboo fibers are remarkably smooth so the fabric is silky soft next to baby's skin. Lightweight and breathable, bamboo has superb wicking capabilities and is highly absorbent. Bamboo is naturally anti-microbial so the fabric stays fresh longer. Swaddle Me Ö wings have Velcro tabs, to wrap up your newborn. As baby grows, wings readjust for a perfect fit. Swaddle MeÖ wings are easily opened to prevent overheating, and the leg pouch can be opened for quick diaper checking or changing. Swaddle MeÖ helps soothe the fussiest babies. Recommended to calm babies, including those with colic. Small fits 7 to 14 lbs. Aqua/Brown or Pink/Brown.