Pidsen DayPak Dog Backpack Adjustable Saddlebag Style Travel Hiking Camping Pack Easy to fit and comfortable for your dog to wear - For sizing your rucksack please see the product images Adjustable straps & breathable mesh harness for maximum comfort & fit Two expandable pockets and a D-ring leash attachment Provides room for your own disposable dog food, water bottle, house keys, and cell phone Must have for pet who like to Walking ,Travel, Hiking ,Camping with you !