Certified STANDARD 100 by OEKO-TEX®!1. Made of 100% high quality jersey cotton.2. Size 42''X24'', compatible with Guava Lotus travel crib, Baby Bjorn travel crib light, Dream On Me Travel Light Playyard mattress and similar size Pack and Play.3. Breathable and stretchy, friendly to baby’s sensitive skin.4. Highly stretchy skirt make it easy to put on and off.5. Easy care & machine washable.