RAINBOW PIXEL COLLARWho doesn't love a rainbow? Add a little variety to your collar collection with a splash of color. Each collar is made from retired climbing ropes, and stitched with durable thread made from recycled plastic bottles. The variations on colors and patterns are extensive, so you are undoubtly going to find a favorite. All materials are diligently inspected for wear and tear to make sure they are suitable for recycling, then transformed into a new product