The Dog Helios Grazer Travel Dry Food Dispenser Bag is composed of a specially developed composite material that is completely waterproof, lightweight, and durable. This durable food dispenser bag is geared with a reinforced nylon carry handle and 3 buckle straps that attach to any backpacks or luggage. The top of this high-quality food and treat dispenser rolls up for placement of consumables and rolls shut and Velcros into place preventing any food from spilling or exiting and further buckles shut to preserve food freshness and food security. It features a waterproof push and twist dial opener for proper food dispensing while keeping food fresh and secure. It is great when used during hikes, travels or while on-the-go. This waterproof dispenser bag carries up to 3 liters of food or treats. It is available in multiple colors.