Anti-dust: Absorbs moisture and dirt. Easy to clean or vacuum. The mat is hand washable in water up to 30° temperature. Anti-slip: Highly absorbent while waterproof, polypropylene is a moisture-wicking material like a sponge to keep the area clean and dry on rainy days. Extra Flat: The doormat is very thin, measuring only 7 mm in height. It is flexible and fits under any door. No trouble opening and closing the door of home. Discreet: Dark doormat that fits in any entrance. Ideal for hallway and lobby. Also suitable for rooms with underfloor heating