he ultimate 100% natural, reversible and washable mattress pad for year-round comfort. The two sides of this all natural wool and cotton pad are so soothing and soft against your skin. The Fleece side is chosen as the ideal sleeping surface during colder seasons, because fleece is warmer than cotton. The cotton/wool quilted side rejuvenates the mattress as well as provide a healthy, more restful, and peaceful night's sleep. Relief from the discomfort of pressure points and joints is attributed to the wool fiber being "spring-like", incredibly flexible and durable. Amazingly enough this natural fiber is said to be comparatively stronger than steel. Eliminates allergies, the overheating and night sweats common with down, feather and synthetic fills and foam. Sizes: Crib, Twin, Twin XL, Full, Queen, King, Cal King. KEY FEATURES Sleep side #1: 100% natural fine washable wool fleece, 400gsm. Wool fleece pile height: appx. 1in Sleep side #2: 100% natural cotton percale, 270TC. Filled with 100% natural washable wool. Easy care: machine wash in cold water and dry on low heat or air dry. 5 year manufacturer warranty.