Material: Aluminum Triangle size: 30 x 22.5 x 6 cm Four-corner size: 32.5 x 13.6 cm Color: Matte black Product options: Single-layer triangle / four-corner, two-layer triangle / four-corner 1. No-drill installation: Strong adhesive for screw-free mounting—holds up to 20 lbs without wall damage. Optional screw installation supports up to 50 lbs. Both methods are simple and quick. 2. Waterproof with drainage holes: Designed to stay dry and tidy; prevents items from slipping. Suitable for bathroom, bedroom, and kitchen use—including shower, vanity, and food prep areas. 3. Corrosion-resistant and rustproof: Resists corrosion, daily scratches, tarnishing, fingerprints, and water spots. Ensures long-lasting appearance and performance. 4. Contemporary design: Sleek matte aluminum finish complements various interior styles. Drainage slits allow water to flow freely, preventing mold buildup and simplifying cleaning. 5. Multiple installation options: Adhesive, seamless patch, or drilled mounting—flexible, easy, and time-saving.