Light, soft, breathable 100% polyester material, excellent quality.Simple and easy to fit with an adjustable, secure buckle for attachment. Multiple options for dogs of different sizes.SUGGESTION --- Please measure your pets chest size carefully before choosing the cat harness. (Assume the circumference of your cat / dog is close to its fur, then add 2 to 3 cm to that measurement to be comfortable.)ADJUSTABILITY --- Adjustable dog or cat harnesses. There are adjustable buckles on the pet harness. Made with Velcro, partial fine adjustment is convenient to keep.DURABLE ULTRA COMFORTABLE EASY TO CLEAN --- Machine wash cold and suitable for tumble drying, material soft nylon, easy care, covered with breathable and adjustable mesh, your friends will not suffocate or overheat when they are running. This new type of mesh of the light harness makes it more breathable and comfortable and does not damage dogs or cat hair.