1. The tumbler lid organizer cover hook is made of stainless steel , rust resistance, and can to 30 pounds. made it comes with strong adhesive tape and screws for secure installation. 2. Our tumbler lid organizer can accommodate lids with holes of 8mm (0.31 inch) or larger, can store 8 or so tumbler lids, provides plenty of space to keep your lids in one place. 3. Our lids hooks are perfect for organizing lids in many places in your home, eliminating clutter and allowing you to find your lids anywhere, anytime, for easy access. 4. Our lids organizer hooks come in two mounting styles, self-adhesive or screw-drilled. Self-adhesive type is suitable for smooth surfaces and drilling type is suitable for rough surfaces, please choose the right solution according to your needs. 5. Our cup lid organizer hooks are versatile and perfect for organizing cup lids in many places in your home, under closets, in cabinets, on walls, etc. They don't take up much space in your kitchen, making it easier to store cup lids. They don't take up space in the kitchen and keep cabinets and countertops more organized. Color: black Material: Stainless steel Package Contents: 2 Pcs Tumbler Lid Organizer(with mounting parts) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.