[Installation]: When installing the suction cup sponge holder, please dry the sink wall without leaving any water droplets or oil stains, and keep the inner wall clean and smooth. In order to ensure better suction, you can sprinkle a small amount of water on the suction cup, and then quickly attach it to the inner wall to squeeze out the air in the suction cup and wait for 12 hours. [More Hygienic]: The hollow design of the suction cup sink sponge holder increasing air flow speed, drains faster, can keep cleaning tools away from the dirty water in the sink, effectively prevent pollution, safer and more hygienic. Kitchen sink sponge holder can keep you kitchen more organize. [Anti-rust and Durable]: The in-sink sponge holder for sink is made of SUS 304 stainless steel with anti-rust coating, can effectively prevent rust even be used for a long time under humid conditions. The high-hardness stainless steel of kitchen sponge holder for sink has solid construction, durable and not easy to bend and break.