S is suitable for most guinea pigs and young rabbits of 0.5KG, M is suitable for most young rabbits and adult rabbits of 1-2KG, and L is suitable for rabbits of 2.5KG. Material:Polyester Size---neck circumference---chest circumference---clothing length---towing rope length A B: S---6.69-9.84"---9.84-13.39"---5.51"---49.21" M----7.48-9.84"---9.84-14.57"----7.09"---49.21" L---8.27-13.39"---11.42-16.54"---7.87"---49.21" C D: S----7.09-11.02"---9.84-12.2"---5.91"---49.21" M---7.48-11.81"---11.02-16.54"---7.87"---49.21" L---8.66-12.6"---11.81-16.93"---9.06"---49.21" Package Include: 1 x Pet Clothes 1 x Pet Traction Rope Notes: 1. Please allow 1-3 cm difference due to manual measurement and 3-5 g for the difference between different colors. 2. Due to the screen difference, the color may be a little different from what you expect, please allow it. 3. 1.00cm=0.39" 1: The good choice for summer travel, comfortable and breathable polyester fabric, soft and delicate to the touch 2: High-quality fabric, can be used with the attached traction rope, to give pets a more comfortable experience 3: S is suitable for most guinea pigs and young rabbits of 0.5KG, M is suitable for most young rabbits and adult rabbits of 1-2KG, and L is suitable for rabbits of 2.5KG 4: The workmanship of the product is meticulous and tidy, the wiring is neat, beautiful and durable. It comes with a traction rope,which is durable 5: Exquisite design, suitable for daily activities, holidays, Christmas and other gathering