The Lifeunion Polyester Dog Saddlebags are perfect for any outdoor activity. Made of high-quality polyester, these bags are durable and waterproof. They come with four wide reflective strips to make your dog safe at night or in the dark. Each side has a convenient pocket for storing your own disposable dog food, water bottle, house keys, and cell phone. These bags are also adjustable so you can adjust the size of the chest and back.