There are Two kinds of backpacks ,all is 80L, The appearance of 80L New Upgrade and 80L Backpack is a bit different, please check the pictures and description carefully you can choose according to your needs.Note :As shown in the detailed picture, these backpack size is measured after being filled with items, not the size of these empty backpack!!The measurement method is pure manual measurement, there may be an error of 1-3cm, please understand !thanks !The inner layer of the backpack has waterproof fabric, which can be Life waterproof and suitable for light rain. It is not suitable for being waterproof in heavy rain all the time. It will get wet.80L Upgrade New Backpack Detail: Material：Wear-resistant oxford fabric (thick fabric, tear-resistant, waterproof, scratch-resistant, and suitable for a variety of wild environments)Size:28″x14″x10″ Color:Black、Khaki、Woodland Camo、Desert Camo、City Camo、Tri-Color Desert CamoSuited People: Backpacker, traveler, experienced TravelerFeature：Multi-pocket design makes it more easyBottom zip pocketLarge capacity zip pocketSide kettle bagBottom small bag zip pocketCome with American flag velcroPackage Listing：1*80L Large Backpack80L Backpack Detial：\ Description:This Tactical Backpack has a rugged construction and modular application is the foundation of our design to help you conquer routine, the unexpected, and everything in between. Combining the most rigorous military features with mountaineering ergonomics, this tactical backpack can be used as a 3 day assault pack, bug out bag backpack, combat backpack, range bag, hunting backpack, survival backpack, outdoor hiking, adventures, rucksack military army backpack or trekking backpack, or for your everyday use. Versatile Anchor points on the exterior and interior of the pack enables you to continually adapt and evolve the pack configuration to your changing needs. A lightweight attachment system along the handle provides an easy way to attach bulky items such as a rope or jacket to the top of your pack for easy access. Comfortable Aerated closed cell foam padding aids in superior shock protection and comfort. Built in mesh straps and back panel designed to provide proper ventilation while resting against you. Wider straps were designed to spread the load on your shoulders evenly distributing the weight of the load. Engineered to handle heavier loads more comfortably. It is an ergonomically designed backpack built to be your trusted companion for adventures both close to home or missions far away. Modular Laced with Pouch Attachment webbing and is compatible with Modular Lightweight Load-Carrying Equipment (MOLLE) pouches so that you can customize the layout of your gear to suit your needs. Features:1.Comfortable design with ventilated mesh padding on back and shoulder straps designed to keep you cool. Padded shoulder straps, mesh padded back, adjustable chest straps, and top handle are provided to help comfortably carry extra heavy loads2.Carrier backpack is of high intensity and durable. Sized to fit a wide range of torso lengths. it will suit different bodies. 3.Double Stitched Modular MOLLE System Throughout The Bag and Shoulder Strap To Add On Additional Pouches & Other Tactical Gear 4. The assault pack backpack can be used as 3 day assault pack, bug out bag backpack, combat backpack, range bag, hunting backpack, survival backpack, rucksack military army backpack or trekking backpack.Specifications: • Material: Oxford fabric• Adjustable Straps: Yes• Molle: Adjustable with Hook Loop to attach accessories• Damping Straps: Yes• Capacity: 80L• Modular Extension: Yes• Reinforced Handles: Yes• Overall Dimension: 7″L x 13″W x 28″H• Colors Available: Black Khaki Woodland Camo Desert Camo City Camo Tri-Color Desert Camopaypent:we only accept paypal currently.shipping:Fast Shipping from US1. Item will be shipped within 1 business days after received a verified payment and showed “Completed” status. ( excluding weekends and national holidays) .2. We ship to Ebay’s address ONLY. Please make sure your address in ebay is matched with your shipping address.Return Policy:1. One month money back guaranteed and no questions asked. If you are not happy with your purchase, simply send it back for a refund or replacement within one month after you receive your order. you can either open a return request or contact us via ebay message. 2.Returns are processed automatically through our system if you just don’t want it without any quality problem. 3. Our products are guaranteed 100% against defects. In case of being defective, merchandise can be returned at our cost with return shipping label provided within one month. 4.Buyers are responsible for return shipping, unless it is defective products or mistakes on seller sideAbout us:1. Our goal is try our best to let our customers enjoy the online life.2. We will make progresses not only in high products but also in high service day by day under your supervision.3. the positive feedback is very important to us, we’d extremely appreciate if you can give us five star positive feedback. please do not give us negative feedback without any communication. Fell free to contact us to solve any problems.Thanks for Looking!