1. The total length of the 12 expansion loops, 6mm elastic band, screw hooks and rubber turnbuckle extension hooks is 18cm (including hooks). 2. Material: PP latex and rubber, 3.2mm plastic coated steel spiral hook, 6mm diameter elastic band, color: black. 3. Thanks to its high quality, the expansion hook is stable, durable and weather resistant. 4. The expansion ring is perfect for quick and easy fixing of advertising banners, tarpaulins, tents, posters, marquees, trampolines, trucks, trailers or awnings. 5. Expansion hook, tent accessories, replacement rubber, tent turnbuckle, tent hook, rubber ring, rubber ring with screw hook. The hook is firmly connected to the elastic band and is not easy to separate.