Premium Quality: The drain cover is made of high quality Thermoplastic Rubber. Its advantages are durable and flexible. Big Size: 5.7in (14.5cm) X 5.7in (14.5cm). This square drain cover size is suitable for most of the drainers. It is also designed with medium-sized meshes and most of the waste can be filtered. So no need to worry about the clogged sewers any more. Suction Cups Design: In order to prevent the drain cover from moving during use, a suction cup is added to each of the four corners at the bottom. You only need to put the drain cover on the drainer and press the position of the suction cups to stick them well. This smart design will bring you a pleasant using experience. Easy to Clean & Maintenance: The drainer cover only need to cleaned with water and detergent after used. No special maintenance is required. Warm Prompt: This drain cover with suction cups works perfectly ONLY on VERY SMOOTH SURFACES. So any other matte, rough and uneven surfaces are not applicable.