40 Liter Hiking Backpack - Spacious main compartment and multiple large-capacity pockets. Zippered closure, tight closure to prevent items from falling out of the backpack. And multiple adjustable exterior straps help you easily organize all your essentials. A perfect backpack for weekend trips. Material - Made of high-quality fabric, ultra-lightweight, tear-resistant and water-resistant. The extra strength provided by the double-layer bottom part is increased at major stress points, making it easier for you to carry more loads on your trips. Ergonomic Design - Breathable elastic pads are used on the back of the backpack to reduce back heat and prevent skin allergies. The back pads are full of elasticity, effectively separating the body from direct with the bag, making the journey full of relaxation, and thus effectively increasing the traveler's sense of comfort. .Outdoor Essential Equipment - Ideal comfort for daily use, traveling, hiking, camping, backpacking, trekking or other outdoor activities. Suitable for most airlines' size requirements, enough space for 2 or 3 day trips. .After-s Warranty - If you have any problems with broken or damaged items you purchased, please feel to us. Your problem will be answered and processed within 24 hours.