The Dog Helios Grazer Waterproof Travel Dry Dog Food Dispenser Bag is composed of a specially developed composite material that is completely waterproof, lightweight, and durable. This dog 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. The dog food dispenser bag easily rolls shut and velcros into place preventing any food from spilling out. The added buckles shut tightly to preserve food freshness and food security. This dog food dispenser bag also features a waterproof push and twist dial opener for proper food dispensing. This waterproof dog food dispenser bag carries up to 3 L of food or treats.