1. Made of stainless steel, more than twice the drainage capacity, more drainage 2. Adopt gravity, close the inner deodorant and backflow preventer when there is no water, forcefully open the cover sheet when the water is out, increase the amount of water and drain faster 3. Suitable for, hotel, kitchen and bathroom Color: Silver Material: stainless steel Size: 10x20cm Package Contents: 3 x Rectangular Floor Drain Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.