Rust-resistant: Hanging curtain clips composed of high-quality metal material and plated with a black layer of durable rust-resistant coating, long-lasting.strong and sturdy, anti-rust and can resist to serious wind and rain, string light clip hooks also can be used indoor and outdoor, designed to serve you for a long time Wide Use: Curtain clip hooks are not only can be used for hanging curtains, outdoor string light , but also can be used for clip art craft display photos,hanging your curtains, socks, clothes, photos, crafts. And campers can be so please to have them to clip lights, tens, towels, and many more Perfect Size: Camping string light clips total size 32 x 9mm\1.26 x 0.33 inch; Clip length 18 x 9mm\0.7 inch, ; Mouth Max Width: 8mm\0.3 inch; Hook Opening Width: 6mm\0.2 inch; Hook Size: 15 x 10mm\0.6 x 0.39 inch Package Includes: The set includes 100Pcs metal light clips, easy-to-install practical metal black hook hanging clips