Features: Fast drainage Prevent odor Prevent insects/rats Prevent clogging This product is made from high quality sus 304 stainless materials. It is matte finished. It has 6 sizes. 10cm x 10cm 10cm x 20cm 10cm x 30cm 10cm x 40cm 10cm x 50cm 10cm x 60cm It is thick and durable. It is also easy to install.