High Quality Material The hooks are made of 304 stainless steel, which is very sturdy and super durable, even when staying in a humid environment for a long time, it is also effective in preventing rust. Installation Without Drilling These self-adhesive hooks have a self-adhesive backing, when you use them, you just need to tear off the protective layer of the backing, you can quickly install them in any place you want, easy installation and fast. Strong Load Capacity When using these adhesive hooks on hard, smooth surfaces, such as tile, refrigerator doors, cabinets, marble, wood tile, ceramic, mirrors, stainless steel, plastic, etc., the load capacity can reach up to 5KG, the minimum can reach 3KG. But whitewashed walls, painted walls, drywall and some uneven walls are not recommended, they will quickly fall off, or damage your walls. Wide Application You can use them as towel hooks, self-adhesive key hooks, bathroom hooks, light coat hooks, hat hooks, bag hooks, etc. Perfect for hanging small items at home, making life neater and tidier. Thoughtful Design The stick-on hooks are 8cm long, 2.8cm wide , with a height of 3.5cm for the upper hook and 2.5cm for the lower hook, a set of 6 pieces.Rectangular frame, the corners are rounded and polished to prevent injury from sharp corners .