ArcEnCiel Waterproof Military Backpack Rucksack Gear Tactical Assault Pack Student School Bag for Hunting Camping Trekking Travel with Patch -Rain Cover Included 35L Capacity ; High-intensity military-style specifications nylon , scratch-resistant , Not easy to fade Molle webbing throughout for attaching additional pouches or gear All the stitching and webbing , are used in military specification nylon material , longer straps slider , sleek , durable Waterproof , to ensure the strength of the product while ensuring long-term use in wet environments , or will not rot after the invasion of water Good air permeability with thickened sponge on the back of the bag , capable of relieving pressure on shoulders with adjustable shoulder straps