2 legs; Size 18": Chest Girth 26"- 34", Neck 19.5"- 22", Back Length 22". (In order to cover the entire back of the dog, the back length of raincoat is lengthened to 22 inch.) Measure your dog from the base of the neck to the base of the tail for back length | Made with water-proof polyester that offers protection during rainy days for your pets. Our raincoat is constructed with durable water proof fabric. Please be aware that any water repellent material will wear out in case of extensive usage. In extreme weather such as rain storm, or pouring rain, water would normally seem through after time and your pets might get wet | There is a leash hole on the back. Reflective stripes on the back, hood and hem areas are to ensure safety and visibility during night. This raincoat features adhesive sticky tapes underneath dogs' belly for a perfect fit. Also, with the handy drawstrings on the neck and hem areas, it is fully adjustable and flattering! | Comes with a separate pouch to pack this raincoat. Raincoat will get wrinkly or draped if folded or kept folder without using for an extended period of time | Wipe clean or spot clean Only. Pet owner supervision is suggested.