It helps keep dog's paws dry and comfortable in wet weather. Good protection dog's paws, to prevent the dog's paws was stabbed. Features good crimple resistance and comfortable Rain-proof material. Please check the Size Chart (in the description) before you order. Method of measurement: Put your dog's foot on a piece of paper, draw a circle with a pen, measure the length and with. Normally that will takes 7-15 days to delivery.