Feature 1)DURABLE: Made with high-quality nylon fabric and water resistant material that are both durable and more waterproof than traditional hiking backpack 2) ULTRALIGHT : This backpack weighs only 0.76kg, adding no burden to your travel. You can put it in your luggage when you are not going to use. 3) BREATHABLE: Back-ventilation design provides a great airflow, making your back cool and dry even after a long trip. Adjustable strap to meet different requirements for both men and women. Pattern Type: blank Style: sport/travel Material: polyester Lining: Polyester Brand Name: HY Model Number: HY2080603 Closure Type: Zipper Gender: Unisex Delivery time: 35-55 Capacity: 35 MOQ: 500 Color: Multiple colors,Accept customization Feature: Waterproof Usage: daily/school Size: 52*33*21cm Weight: 0.76kg Logo: Accept Customized Logo OEM: Accepted