VIILER Dog Leash Harness set for Large/Small Pet Dogs Adjustable Nylon Dog Leash Collar Perfect for Daily Training Walking or Running Color: Red, Blue as shown in the pictures Sizes:S-0.59"W*47.2"L,11.8"-17.7"Chest; M-0.59"W*47.2"L;13.8"-21.7"Chest; L-0.79"W*47.2"L,15.7"-25.6"Chest Adjustable Chest Harness: Every harness can be adjusted by using the hard plastic rings Durable Materials: Made of strong Nylon cloth, wear-resistant and durable with a strong alloy ring and nickel plated hooks Tangle resistant design with a strong alloy ring and nickel plated hooks