Color: black/hazelnut brown product benefits easy to carry: 4 sponge-filled back and strap | 2 thumb places | abdomen and chest belt pocket: 1 compartment | 6 compartments: 3 with zipper, 2 for water bottles, 1 x 15" pc compartment capacity: volume: 30 liters | weight: 620 g | dimensions: 50 x 26 x 20 cm carrying convenience: baton compartment | cover pocket | coat elastic hanger for carrying or drying stability: side compression straps for good load distribution abrasion resistance: abrasion resistant components and how they are combined | 10-year guarantee ventilation: 4 pads provide simple ventilation to the back product concept and technology product composition: main fabric 100% polyester lining 100% polyester strap rope 100% polypropylene coating 100% polyurethane storage advice: we recommend storing your backpack in a dry place user instructions: caution: components are waterproof. case sold separately. care advice: hand wash. technical information environmental impact reduction : it is necessary to use a lot of water to dye fabrics and a lot of waste water is discharged.to reduce this environmental impact, we apply 2 dyeing processes to the product: 1. we do not dye the inner fabric threads. 2. we apply the dyeing process in large pieces and apply the colors on the outer fabric during the production process of the rope how is the volume of the bags measured? : the volume of all backpacks is measured by a standard method: we fill the main compartment and all the compartments of the bag with small balls. we then pour these balls into a scaled container that displays the equivalent volume in liters. how should i set up my bag? : 1 - first, loosen all the straps (straps, belts, tension lanyards) 2 - attach the bag 3 - tighten the shoulder straps 4 - finally, adjust the tension straps according to you how should i place my bag? : put your heavy items at the bottom. place clothing around these materials. put your raincoat and/or fleece within easy reach. small-sized everyday items can be carried in the eyes (sunscreen, maps, glasses...). flasks should be placed in the flasks located on the sides of the bag. tests performed for ideal durability and strength: many laboratory tests are performed before the components used are approved: fabric, buckle, strap, foam, zipper tests. for the fabric, for example: we test resistance to wear and tear, color protection against uv rays and washing, and waterproofness. we then subject the bag to an accelerated wear test on a dummy that mimics a hiker's movements to measure the quality of the bonding. your feedback matters to us! : thanks to your feedback, we developed the design and model of the 30-liter nh100 backpack. in this new model, we added a compartment to the large compartment as well as the zippered compartment. at the same time, we've changed the opening system so you can access your backpack items more easily. Create a party-ready atmosphere with this colorful LED lighting. Easy to install and perfect for events or home decoration.