MATERIAL: Strong ABS plastic material TYPE: Cone Ring with hooks SIZE: 75mm inner diameter COLORS: Hi-Vis Orange color as standard FEATURES: Easily connects chains, bunting flags or barricade tape to cones. Lightweight Fits to any size traffic cone For Indoor & Outdoor use Create barrier when used with traffic cones and Plastic chain Cone Rings make connecting plastic chain to any standard Traffic Cones a breeze. The tough flexible rings are virtually indestructible and completely re-usable