Features: Durable Construction: Constructed by 800D Oxford cloth, scratch and abrasion resistant, preventing water spills. Wipe off immediately after encountering water and will not penetrate inside the package. Personalized patch area, according to preference, with personalized patch, so that the backpack more personalized. Adjustable Straps: The durable strap of this backpack is adjustable and features a quick-release ABS buckle for ease of use. It can easily be packed into a backpack, duffel bag, or suitcase when traveling. Ample Storage Space: Large men& 39;s compartment large enough to carry your electronic devices, flashlight, water bottle, cigarettes, snacks, umbrella, etc. The zippered back pocket is hidden for extra protection of your passport, ID, credit cards, wallet and essentials. Three front pockets can be used to keep your gadgets, gizmos and parts. External Expansion System: This backpack is designed with an external expansion system that can be used in combination with other devices such as pockets, water bottle holders, and accessory packs to increase storage capacity and convenience. Versatile Use: Whether for sports, running, walking, jogging, motorcycling, biking, riding, cycling, traveling, outdoor activities, hiking, fishing, camping, or everyday use, this backpack is the perfect companion for any adventure. Specification: Material: Oxford cloth Size: 25*15*15cm Notes: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. 1*Waist Bag