Protected and ready for use are your rubber blades in the rectangular 25 count "fresh packs", designed to keep new rubbers dry and straight during shipping and storage. Your blades will be fresh, nick-free and ready when you need them. In addition, the case can be reused to safely store extra channels and other tools. Available in 12" and 18" lengths in both HARD and SOFT formulations.Size:18"/45cm. Unger Part No. RP350