This tactical backpack is made of 600D polyester fabric - lightweight and durable material, double zipper closure and upgraded stitching is very suitable as your daily backpack, with slight waterproof, moisture-proof and stain-proof functions to protect the items in the bag, can be used for EDC messenger bags, chest bags, handbags, tactical messenger bags, small bags, first aid kits, etc. It can be used in a variety of scenarios, which is very convenient.