Swedish Home Furniture Microfiber Bath Mat - Ultra Soft - Ultra Absorbent - Ultra Fast Dry (24" x 16" | 0.75" Thick, Gray) 100% polyester microfiber Made of microfiber; ultra soft, absorbent and dries quickly. Use STOPP anti-slip underlay (Not Included) for increased safety. To be placed under the entire bath mat. Machine washable. Available in different sizes and colors 100% polyester microfiber