NOMATIC Travel Backpack 40L Black. Its made with durable water-resistant materials and YKK zippers. The patent-pending strap system allows you to go from backpack to briefcase carry for those times when you need to look more professional. The full perimeter zipper magnetic water bottle pockets RFID safe storage and hidden pockets are just a few of the 20+ noteworthy features that make this backpack the most functional backpack ever Specifications for NOMATIC Travel Backpack: Manufacturer: NOMATIC Gender: Unisex Color: Black Features of NOMATIC Travel Backpack Durable and water-resistant materials and YKK zippers Magnetic water bottle pockets and RFID safe storage Over 20 noteworthy features for functional and convenient use Ideal for everyday carry and travel. Package Contents: NOMATIC Travel Backpack Waist Strap Laundry Bag NOMATIC EDBK25-BLK-02: Travel Backpack 20L Black NOMATIC TRBG30-BLK-02: Travel Backpack 30L Black NOMATIC TRBG40-BLK-02: Travel Backpack 40L Black NOMATIC TRBG40-BLK-02: Travel Backpack 40L Black