Made entirely of stainless steel. The stainless steel is rust and scratch resistant. The surface is mirror-polished and very easy to care for. because the sponge drains and dries quickly thanks to the open and light design^Easy installation The stainless steel sponge holder was very easy to attach and holds steady. No tools, no drilling, no holes. Simply attach it to the back of the sink with the adhesive pad^Waterproof & Strong & Removable Strong adhesive for long time, heavy use, no easy falling off. Unique strong transparent adhesive hooks stick to the surface for a long time, are more durable and stronger than the suction cup. Once pressed, it adheres incredibly strong and can be removed from smooth surfaces without leaving any large residues^Multifunction The sponge holder suitable for sponge, dishcloth, bath ball, steel ball. Can also be used as a hook in kitchens and bathrooms, ideal for hanging towels, brushes, spatulas, cutting boards, etc. Ideal for use in kitchens, bathrooms and anywhere you need it.^Scope of delivery 2 x sponge holders, absolute customer satisfaction guarantee and reliable customer service. For questions, please contact us. We will solve your problem within 24 hours