SUGGESTION --- Please measure your pet's chest size accurately before choosing this one. (Take the measurement of your cat or dog's girth snug against their fur, then add 2 3 cm at this measurement for comfort.) Chest Size: XS: 24-29cm, Leash Size: Approx 120cm long by 1.7cm wide.REFLECTIVE TAPE AND MATERIAL DESIGN --- Made of high quality soft mesh, comfortable and breathable. Reflective strips on chest and edges, cat or dog harness strips, makes them visible in low light. Improved safety during a night walk.ADJUSTABILITY --- Adjustable harness for dog or cat, the harness has adjustable buckles. Used with velcro, it allows fine adjustment to stay comfortable (used for small pets that fit bust size: cats, dogs, rabbits, ferrets, hamsters, etc).DURABLE AND ULTRA COMFORTABLE AND EASY TO CLEAN --- Machine wash cold and tumble dry low, soft nylon, easy to clean, covered with breathable and adjustable mesh, your friends don't suffocate or overheat it not when he runs. This new mesh type of lightweight harness is more breathable and more comfortable, without damaging dog or cat hair.