Modou - Harness with Leash for Small Animals Guinea Pig Rabbit Guinea Pig Adjustable Nylon

S: neck circumference 8-11CM, bust 12-18CM, back length 9CM M: neck circumference 14-18CM, chest circumference 18-25CM, chest circumference 10.4CM L: neck circumference 16-20CM, chest circumference 20-32CM, chest circumference 12.2CM