It enables an owner to easily put the dog bootie on and off the sore or injured paw. The Healers custom non-adherent, triple layer gauze inserts fits the interior of the dog bootie and acts as a bandage to absorb moisture and allows owner to apply medicine if needed. Adhesive backing on the gauze pads keep the gauze in place. Healers are made with a breathable, moisture wicking, lightweight stretchable material that encourages faster healing time. Includes: 2 boots 2 gauze pads Size Chart by Boot Width: ExtraSmall: 1.625" (Toys, Terriers) Small: 2.125" (Pugs, Pit Bulls) Medium: 2.625" (Labs, Hounds, Spaniels) Large: 3.125" (German Shepherds) Extra Large: 3.875" (Mastiff, St. Bernard)