Feature: 1. Leather Chest Strap: The hamster harness leash vest set's chest strap is made of supple faux leather for a soft and comfortable feel. 2. Leash Material: The hamster leash is made of nylon, which is sturdy and durable, safe and non toxic, and safe for animals to use. 3. With Bells: The leather hamster harness set is designed with bells, with crisp sound, easy to find pets when going out, and give pets a novel wearing experience. 4. Easy to Wear: Put the vest chest harness on the pet's chest, pass the two front legs through the two holes on the chest harness, and finally connect the two retaining rings together with the leash hook. 5. 3 Sizes: The hamster harness and leash set contains 3 different sizes to accommodate different stages of pet growth and can be used for pets of different sizes. Specification: Item Type: Hamster Harness and Leash Set Material: Artificial Leather, Nylon Size: S: Approx. 8cm/3.1in M: Approx. 9.5cm/3.7in L: Approx. 12.5cm/4.9in Purpose: Hamsters Go out with a Leash. Package List: 3 x Harness Vests1 x Leash Note: Please allow some errors due to manual measurement.