A mattress-protector pad features layers of organic-cotton flannel with a waterproof membrane, helping to reduce uneven temps so baby can sleep peacefully. 28" x 52" Dust mite/bed bug barrier Free of wool, latex, PVC, phthalates, antimony and brominated or chlorinated fire retardants 100% organic cotton Machine wash, tumble dry Made in the USA Kids' Wear Certified by GREENGUARD® Global Organic Textile Standard (GOTS)-certified-a strict certification standard that covers the processing, manufacturing, packaging, labeling, trading and distribution of all textiles made from at least 70% certified-organic natural fibers