Pack of four 100% cotton muslin swaddling blankets. aden + anais wraps are the ultimate in breathability and softness. The fabrics light open weave allows a babys body temperature to regulate itself naturally in order to reduce the risk of overheating so that a swaddled baby stays cool in the summer and warm in the winter. It is gentle on babys skin and durable for everyday use as the more you wash it the softer it gets. aden + anais wraps are a generous size measuring 47 x 47 so that new and seasoned moms alike can swaddle babies of all sizes with ease. In addition to the common use as a swaddling wrap aden + anais wraps are extremely versatile; they are useful as burp cloths nursing shields stroller covers to protect from sun cold wind or insects portable crib sheets stroller and car seat liners tummy time blankets change table covers and more.