Loading... Please wait...A nice selection of eco-friendly cork and recycled collars and leases. Made in the USA, our Krebs pre and post comsumer recycled climbing robe collars and leashes are fun, functional and fashionable. The Hyper-Pets are made from a combination of bamboo and cork overlay leashes are made from sustainable materials, dyes to decrease our carbon foot (or paw) print on the planet.