Product description Size: S: Neck circumference: 11~16CM, chest circumference 15~20CM, chest back length 9.5CM M size: Neck circumference: 14~18 Bust: 18~25CM Chest and back length 10.4CM L size: Neck circumference: 16~20 Bust: 20~32CM Chest and back length 12.2CM Color: black, red, sky blue Material: Nylon Package content: 1pcs pet leash 1.Superior Comfort & Quality: Our guinea pig harness is made of high quality nylon, with soft texture and ideal both for summer days and year-round due to breathable fabric. This light guinea pig harnesses gives no pressure on your pet's neck when using and are designed using soft material for your furry friends total comfort. 2.Great WIth Most Small pets: This hamster harness and leash works great for baby ferret, guinea pig and other small animals. The right fit effectively reduce tugging and pulling feeling on your pet's neck and keep your pet safe and comfortable.Nice for walking, jogging. 3.Snap buckle: Extra nylon strap with snap fastener, adjustable on the chest and abdomen. 4.Light-Weight: This guinea pig leash and harness is light, and it could fit into any pocket. Easy to use and its quick release snaps allow you to remove it with ease. Always walking your pet also make the pet's movements more agile and lively without unnecessary burden. 5.Safety: Provide a full protection in stomach and neck when walking with your hamster, prevent injuries and ensure safety of your pet. It is also very suitable for small pets to wear after sterilization operation to prevent them from licking wounds.