The Amazing Baby swaddle wrap is 100% cotton and easy to use. The AAP recommends a swaddling for up to 3 months and research has shown that swaddled babies sleep better. Our swaddle wrap includes adjustable swaddle wings that safely secure. Our design features soft, premium-quality hook-and-loop fasteners. Set of 3. Small size, fits babies from 7-14 pounds. Machine washable. Designed and manufactured by SwaddleDesigns exclusively for Amazon.