Black and white are more than just design choices. High-contrast, black and white patterns enhance baby's vision and stimulate brain development. Organic cotton. Pre-washed. Breathable. Versatile. Ultra soft, becoming even softer with each use and washing. Most importantly, muslin is known as a safer alternative to other fabrics to protect your baby from overheating and reducing the risk of SIDS. The material is lightweight, breathes well and helps to regulate your baby's body temperature. Uses include a floortime play rug, stroller cover, nursing shield, lightweight blanket, change mat, burp cloth and much more! They are the perfect size to grow with baby for many years! They can also be hung on the wall as a tapestry or used as a scarf or sarong when your kids are big! 47” x 47” Machine washable.