Nylon Includes 10 Collars (Numbered 1-10) Popular for numbering stations and in Physical Education Classes Made from a Heavy-Duty nylon Large Easy to read numbers Simply slip over most any Cone 12" tall or taller Cone Collars are nylon sleeves numbered 1 to 10 that slip over your 12" and taller cones. Use Cone Collars to mark activity stations or for any other organizational purpose. Set includes 10 Cone Collars numbered from 1 to ten. There are two of each of the following colors per set: Green, blue, yellow, purple and orange. Pictured on 12" cones for reference only, cones sold separately.