This mug holder is made of high-quality metal, painted and rust-proof, and has a maximum weight capacity of 10kg/22lbs. No drilling required and easy to install, the cup holders come with heavy-duty self-adhesive adhesive. Just apply adhesive backing to the and fix the cup holder on top of it. Pay attention to align the traceless sticker with the nail hole, and then fix it. No need to drill holes in the wall and never damage your wall (of course, you can also choose to use our configured screws for drilling installation if you prefer). Our cup holder adopts wall-mounted storage, and the cup is placed upside down on the cup holder, which not only allows storage, but also allows the cup to be ventilated and drained, moisture-proof, and has a large storage space, making it more convenient to use. The wall-mounted cup holder is suitable for kitchens, living rooms, offices, and can be used anywhere you can think of, such as walls, sides of refrigerator exterior walls, and inside cabinets. [Note]Adhesive accessories are widely used on smooth and smooth surfaces, such as wood, tiles, ceramics, metal, plastic surfaces, etc., but please do not install them on uneven walls or dusty surfaces.