The Bedgear iProtect Twin XL Mattress Protector features a brushed fiber surface which quickly dissipates and evaporates moisture to ensure a cool, comfortable, sleep with no clammy feeling. The breathable, waterproof underside coating acts as a barrier to keep your mattress fresh from dust, dust mites and other allergens, as well as liquids and stains. The performance material is Naturally anti-microbial and will not trap moisture and bacteria. Rapid moisture transfer. Light weight material allows for constant air flow Breathable waterproof barrier Fits mattresses up to 18" deep. Blocks pet dander. Blocks dust mites. Resists stains. Resists fluids. Reduces allergens. Machine wash cold on gentle cycle, tumble dry low. Imported