High quality material- SUS304 stainless steel, surface: brushed. The use of high quality stainless steel greatly reduces the appearance of scratches, corrosion, tarnishing and fingerprints in daily use. Double Gum Rubber Spring Slots - This anti-slip feature is good for fixing. Rolling balls automatically adjust to thickness and grip each handle easily and tightly; also easy to release by lifting the handle. It can hook the handles whose diameter is 1.5cm-3.5cm. Super Load Capacity - Self-adhesive- This self-adhesive hook does not need to drill holes in the wall and does not require any tools or screws. Just peel off the sticky tape on the back and stick it on the wall, will be able to hold 10kg items. Waterproof Design- Made of premium T-304 stainless steel , it is suitable for all kinds of humid environment. You don't need to worry about when it will be out of the glue. spraying water on the hook cannot affect the adhesive. Notes- The product should be pasted on a smooth surface, it is not suitable for rough walls, such as walls painted. Wait 48 hours before placing items.