Cat leash and Harness SetWe have 2 different sizes to choose from,please allow there may have some difference due to the different breed. Medius size, Stomach Circumference: Neck Girth 8"-10" ,Chest Girth 10"-11.5", Back ,Length 4",is designed for the small and medium cats. Deal both for summer days and year-round. Please measure your cat carefully and refer the size chart before purchase to choose the correct one for your feline friends. Breathable Cat Vest Durable mesh material, soft and comfortable to wear with padding. Never put any strain on your pets neck and are designed using soft material for your furry friends total comfort. Escape Proof Cat HarnessComfort harness to reducing tugging and pulling on your pet's neck and keep. The leash was the perfect length to go on walks around the back yard and keep him within a comfortable distance. Its so fun and cute to take him on walks and let him root around Easy to WearThe pet jogging harness easy control and put on. First step: Unclip harness and lay on the floor; Place harness on your pet's back; Then, Handle parallel with neckline ring at the back. Last step: Clip the Velcro under the neck and chest. SuitThis harness is suitable for for adult ferrets, rabbits, Small and medium sized cat ,kitten, bunny ,Guinea Pig Hamster Rats, 2 lb puppy and other very small pets.