Material - Made with 304 stainless steel, matte surface, bright color, not easy to rust or deform, resistant to water spots, fading and fingerprintsSize and Package: The set includes 4pcs of 21mm/0.8inches inner diameter wall split flange plates, the outer diameter is 60mm/2.4inches, and the height is 18mm/0.7inches. Note: Due to grinding problems, some products may have some flaws when received, but this does not affect the overall useHow to Install - Remove the shower head by twisting it. Place the new decorative cover onto the shower arm. Push the flange onto the wall to hide the hole in the wall. Screw the shower head into the shower arm. No tools are required, allowing for quick and secure attachment to the desired location.Application - These plumbing cover plates are great for use in bathrooms, kitchens, laundry rooms, or any other areas with exposed water pipes or faucets, and are widely used in heating pipes, water pipes, gas pipes, angle valves, faucets, radiators, drain pipes, etc.Design -The cover plate can be used to cover gaps and holes around water pipes and faucets to give an attractive, finished look and protect against water damage, enhancing the overall aesthetic appeal of the interior decoration style.