Pack of four 100% cotton muslin swaddling wraps. aden + anais wraps are the ultimate in breathablity and softness. The fabric's light, open weave allows a baby's body tempature to regulate itself naturally which helps to prevent overheating. It is gentle on baby's skin and durable for everyday use. The more you wash aden + anais wraps, the softer they get. aden + anais wraps are extra large, measuring 47" x 47", so that new and seasoned moms alike can swaddle babies of all sizes with ease. Traditionally used for swaddling, aden + anais wraps can also be used as burp cloths, nursing and stroller covers, portable crib sheets, stroller and car seat liners, tummy time blankets, changing table covers, and more.