THE SPACE YOU NEED This tactical backpack features standard dimensions: 50cm x 32cm x 30cm, with an adjustable capacity of 36L to 55L. It offers ample space to store all your daily and outdoor essential gear. Equipped with large multi-layer internal storage compartments, it easily holds various outdoor equipment and fully meets your daily travel, school and hiking needs. The large-area hook & loop patch design allows you to attach any personalized patches you like for unique decoration. DURABLE & WATERPROOF FABRIC Made of high-quality premium polyester Oxford fabric, this tactical assault backpack adopts reinforced stitching and double sewing on all stress-bearing points for stronger load-bearing performance. With professional waterproof & scratch-resistant coating on the surface, the backpack is tear-resistant, wear-proof, water-repellent and durable for long-term outdoor use. MOLLE MODULAR SYSTEM DESIGN Adopted premium laser cut MOLLE webbing structure with double-layer fabric craftsmanship. The professional MOLLE hanging system supports free installation of various tactical accessories. You can match extra pouches freely, such as kettle pouch, walkie-talkie pouch, first-aid pouch, torch pouch and sundries pouch. It can also be matched with sleeping bags, cushions and other outdoor supplies to expand storage space as you need.