Material: The messenger sling bag is made of water-resistant nylon material, smooth zippers, and an inner lining to make this sling backpack good-looking and useful. Design: The buckles on the top flap open and close easily and keep everything secure. The open pocket under the flap can hold tickets and passports for easy access. Stylish, Unisex, and Effective: It is a nice little bag for working, dating, shopping, and traveling in daily life. Although it is not waterproof, it can also be carried for outdoor activities, such as running, cycling, and camping. It is a great gift for your friends and families. NICGID Sling Bag Backpack, 13.3'' 14.1'' Laptop Bag Crossbody Shoulder Chest Backpacks Travel Outdoors for Men Women