Material: Made of stainless steel, rustproof, waterproof, and non-magnetic. It can withstand the weight of everyday use and is more durable and sturdier than suction cup hooks. Easy Installation: Thanks to its no-drill design, installation is easy without tools or drilling. Simply remove the protective film from the adhesive strip and stick the hook to a clean, dry wall surface. Strong Adhesive: These hooks feature a strong adhesive that adheres securely to the inside of cabinet doors or walls for a reliable and long-lasting hold. Waterproof and Rustproof: Suitable for damp environments such as sinks or bathrooms, without worrying about rust or peeling. The sponge holder is aesthetically pleasing and of high quality, a stylish and practical choice for the kitchen, helping to keep sponges clean and hygienic for easy use. Versatile Use: Suitable for smooth tiles, painted walls, mirrors, and smooth stainless steel surfaces. It can also be used to hang sponges, pan lids, brushes, sink strainers, cutting boards, scrapers and other kitchen utensils.