Luxury silk bedding that is made with all natural materials! The biodegradable water repellant non woven lining will protect your mattress from stains while providing you with anti-allergen. benefits The silk-fill mattress protector features one size fits all mattress depths from 7-21 inches, to ensure that the mattress protector will help keep your mattress from shifting. To ensure protection of your mattress, the sides (mattress depth) are also quilted with silk-fill. The shell is 100% cotton with 100% natural silk fill. This mattress cover helps to regulate body temperature, keeping you warm in winter and cool in the summer. It's also scientifically proven to wick away moisture thus promoting a more comfortable night's sleep especially for those suffering with night sweats. Resistant to mold and mildew growth, these mattress protectors are machine washable and dryable, and come with a 10-year warranty. Certified asthma and allergy friendly by the Asthma and Allergy Foundation of America and the Asthma Society of Canada. Proven to be an effective barrier against dust mites, allergens and pet dander. Available in Crib, Twin, Full, Queen, and King sizes. Pillow protector and comforter also available! Assembly level/degree of difficulty: No Assembly Required.