Patented self-adhesive + self-adhesive stronger than conventional suction cups and self-adhesive suction cups. Can hold up to 10 kg. No drilling. No damage. All 304 stainless steel metal can ensure the beauty, quality and service life. Stainless steel 304 stainless steel design can resist daily scratches, corrosion and rust. Surface polished stainless steel surface to ensure that every detail of the modern appearance is perfect. Easy installation - just wait 24 hours before use. Attaches to smooth or rough surfaces. Standard : 1. Do not install this product on painted walls, wallpaper, or other soft or uneven surfaces. 2. The excess glue is easily scraped off with a knife. Wait for the glue to dry, then remove it. 3. If the product gets wet, the glue will take longer to dry. Please wait 48 hours or more before using it. 4. If the product is moved to another location, new 3M tape and Wangel glue are required. Features: Size: 8.5cm * 6.2cm * 5.5cm / 3.4inch * 2.4inch * 2.2inch Weight: 102 g / 3.6 oz Material: stainless steel Surface treatment: polished surface Installation method: wall installation, Wanger glue + 3M tape