The SmartSilk™ 5 Sided Mattress Pad combines a cozy all-natural silk fill liner along with the all-natural soft cotton finish. Enjoy a cleaner night''s sleep with The SmartSilk™ Shield Advantage that provides you with a proven barrier against allergens, dust mites and pet dander that has been certified asthma & allergy friendly. Enjoy the convenience of the Mattress Pads'' fitted materials enabling you to quickly place and remove onto any mattress depth from 7"-17". The exclusive and easy to use adjuster ensures that once secured, the pad won''t shift while on your mattress. You will also benefit from our Smart Temperature Advantage that further ensures a high level of comfort. The breathable material naturally, smoothly and continuously adjusts with your body temperature while also wicking away moisture. Quick Fact: A memory foam mattress produces a lot of heat. The SmartSilk™ Mattress Pad will allow air to smoothly circulate beneath you when placed onto the memory foam mattress. Our All Natural Silk Filled Luxury Bedding will enhance your sleep and quality of life. Mattress protector measures 54"x75"x17"