Ultra-thin and 100% waterproof, the Tencel Jersey Mattress Protector from Thomas Cole Designs offers exceptional top of mattress protection from liquids, dust mites, and allergens. Therefore, providing the sleeper with a clean and cozy sleep environment. Made with a Tencel jersey blend of fabric, this mattress protector is extremely soft and incredibly quiet. This mattress protector is so thin, it won't change the sleep feel of your mattress. Plus, it's so durable, you'll be wondering how you ever lived without it. The Tencel Jersey Mattress Protector comes in all standard mattress sizes.