Microfiber mat - Absorbent mat - Non-slip backing - Machine washable Not only does the memory foam mold to the shape of your foot, but the ultra-absorbent microfiber absorbs water quickly and dries quickly, protecting your feet from frozen ground. Made with a strong and durable rubberized PVC backing that resists movement and slipping. A three-piece set, three different sizes: 50*80+40*60+50*60 large U-shaped Absorbent - Extra thick, soft microfiber absorbs excess moisture quickly, keeping floors clean and dry. SAFE AND NON-SLIP - TPE backing prevents shifting and slipping, protects you from falls. SOFT AND COMFORTABLE - Super soft and plush microfiber pampers your feet for ultimate comfort.< /p> EASY TO CLEAN - Machine washable and durable, won't fade and stays shiny.