1.Sink Sponge Holder are made of SUS304 stainless steel with brushed finish. Rustproof and Waterproof. Powerful adhesive can hold 8 lbs in daily use, more durable and stronger than suction cup.2.Size: 1.97 x 1.97 x 1.18 inch. Dish Sponge Holder will not take much space when you are washing dishes or vegetables. Small design but multi-functional.3.Easy to Install, No Drilling: Just peel off the protective layer and stick it on the desired position. It is important to keep the sink dry and clean before sticking.4.Special Sponge Holder for Sink: Open design allows water to drain, sponge dry quickly in sink without leaving outside messes.5.Not just as an Sponge Caddy for Kitchen Sink, but also can be an Sink Organizer for sink strainer.Using it in kitchen, bathroom and anywhere you want.