*Don't miss our coordinating Recycled Rope Dog Leashes! Give climbing rope another life! The Trailmate recycled rope dog collar is made from recycled scraps of Sterling rope, America's leading manufacturer of life-safety rope and cord. For over 20 years, climbers and mountaineers have trusted Sterling to reach the peak. We're proud to extend that legacy with the Trailmate dog collar. Every rope collar is proudly made in the USA by hand. Perfectly pairs with our Trailmate recycled rope dog leash, an eco-friendly gift for any dog owner that gives climbing rope a second chance to reach the summit. -Highly durable: weather, dirt, and tear resistant. Easy to clean. -SIZING (Adjustable) Medium: 14-21-inches neckline, recommended for breeds like mastiffs, labs, and golden retrievers Large: 18-28-inches neckline, recommended for breeds like mastiffs, labs, and golden retrievers Materials: Recycled specialty rope and durable plastic buckle