Size Large: 20 to 31 inches (Neck Girth), 28 to 38 inches (Chest Girth). Perfect for large size dog such as Samoyed, Labrador, Golden Retriever, German Shepherd, Alaska, Collie, Mastiff. Made with durable ripstop nylon. STURDY, DURABLE, ADJUSTABLE: Comes with D Ring for attaching leash, this dog backpack for dogs to wear is also equipped with a reinforced sturdy handle. There are multiple adjustable straps to make it super easy for strapping the pack on your dog. ESSENTIAL FOR DOG OWNER: Dog saddle pack comes with two expandable side pockets, multiple inner pockets, poop bag dispenser. The dog backpack is lightweight and hold all dog supplies and essentials so you can maximize your adventure with mens best friend! DESIGNED FOR SAFETY: Reflective stripes on bag ensure higher visibility during outdoor activities such as hiking, camping, travel, backpacking, trail walking. FUNCTIONAL COMFORTABLE DOG BACKPACK: This dog saddle bag is designed with utility in mind for both the owner and your best friend. Multiple pockets with adjustable fits ensure this pack fits snuggly on your dog while holding all essentials such as food, treats, doggie bag, first aid supplies and travel bowls. UPC 840168316502 840168313273 ASIN B0CFCC88JS Size Large Color Blue Brand Name PetAmi Unit Count 1.00 Count Item Weight 12.8 ounces Manufacturer PetAmi Material Type Premium Polyester Additional Features Expandable, Heavy Duty, Outdoor Safe