All-In-One provides maximum protection for your mattress and pillows against dust mites, pet dander and other unwanted allergens. We use strong, safe, and soft fabric, without sacrificing breathability and comfort. The All-In-One All Season Reversible Cooling & Warming Collection features a unique triple-layer design allowing you to sleep comfortably all year long. One side has a warming fabric for the colder months and the reverse features a cooling fabric to keep you comfortable in the summertime. Fitted mattress pads feature stretch sidewalls fitting mattresses up to 15 inches deep. We are so confident in the quality and durability of our products, that each purchase includes a 10-year warranty! OEKO-TEX® certified harmless for over 100 harmful substances. Great for those with children, pets, or incontinence. Easy-care machine washable.