Package includes: 6 self-adhesive curtain rod brackets, adhesive surface size 56*56*1mm, groove diameter: 22mm, applicable rod diameter: approx. 15-22mm. This product is suitable for smooth, clean walls. We also include a small piece of strong adhesive for stronger adhesion, ensuring the brackets do not fall off. Durable material: The self-adhesive curtain rod brackets are made of high-quality ABS plastic and strong adhesive material, making them durable, with high hardness and resistant to deformation and breakage. The back has strong adhesive, making installation easy, requiring no drilling, and ensuring a long service life. Maximum load capacity: 25 kg. Strong adhesive: We researched customer feedback on the hooks on the Amazon platform and made improvements. Customers reported that the hooks were not secure enough and easily fell off. In addition to reinforcing the hooks themselves, we also included strong adhesive to ensure they do not fall off. Easy installation: These drill-free curtain rod hooks require no drilling into the wall. Simply clean the wall before installation, peel off the protective film on the hook, press it to the desired position, and then press the hook surface with your fingers to expel air to complete the installation. Versatile: This drill-free curtain rod holder is suitable for various environments, such as homes, bathrooms, kitchens, or hotels. It can be used to hang curtains, toiletries, thin fabrics, party decorations, garden decorations, etc., and is suitable for smooth surfaces such as glass, tiles, marble, stainless steel, and mirrors. The smoother the surface, the stronger the adhesion.