Perfect boot to protect paws, easy to use and place. Protects against injuries by stone chippings, road salt and mites. Adjustable hook and loop fastener for the perfect fit. Made from breathable synthetic rubber Hard wearing and anti-slip rubber sole • To measure shoe size, please measure the paws in a standing position and under load. Always usethe widest part of the paw for size selection. If your measurement falls between two sizes, please select the larger shoes.