The Sealy All Night Cooling Mattress Pad is made with bio-based cooling to respond to your body temperature and helping you stay cool all night long. Simply soft fabric and HeiQ Smart Temp not only provides you with cooling, but with additional comfort. Each pad stretches to fit mattresses up to 15" deep and is easy to apply or remove from your bed. Machine washable and comes with the Sealy Lifetime Warranty. Complete your collection with the Sealy All Night Cooling Pillow. Features: Cooling, Moisture Wicking Manufacturer Warranty: 5 Year Limited Thread Count: 230 Bed Size: Twin Measurements: 40 Length/Inches, 76 Width/Inches Mattress Depth: Up To 18 In Deep Base Material: 100% Polyester Filling Content: 100% Polyester Care: Machine Wash Mattress Securing: Skirt Mattress Pads & Toppers Type: Mattress Pads Country of Origin: Imported