If your dog cant wait to get outdoors as much as you, Omni Pets Zeta 1 Ring-In-Center Collar is perfect for it. These waterproof collars are perfect for dogs who love hunting, swimming and other outdoor adventures. Theyre odor-free and long lasting, plus a ring in the center allows for better agility and movement as well as improved safety in case your dog gets hung up on something. Made in USA. Sizes: 20, 22, 24, 26. Color: Orange. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Collars.