PAWZ Dog Boots Paws 4" and up 100% Natural Rubber Disposable, reusable, waterproof, biodegradable. Bends with paw and absolutely stays on Protection from ice, snow, cold as well as heat, salt, lawn chemicals, Assists with traction control and allergies PLEASE NOTE: ALL SIZES ARE SHOWN IN CENTIMETERS (CM). PLEASE MEASURE YOUR DOG IN CENTIMETERS OR CONVERT FROM INCHES (1 INCH = 2.54 CM). BACK LENGTH IS MOST IMPORTANT MEASUREMENT TO DETERMINE SIZE FOLLOWED BY CHEST AND NECK