The Breastfeeding Blanket - Lightweight cotton This nursing cover is very light weight and crush resistant. An all encompassing great nursing cover. 100% Cotton Muslin/Cheesecloth is a very low-maintenance, natural fiber which makes for an easy wash-and-wear fabric. It is ideal for the summer, tran-seasonal and winter weather. Breastfeeding blankets made from this fabric are also finished with a satin trim to enhance the beauty and give them a softer, more sophisticated look.