Force b500 50 l military tactical backpack, green, with modular molle system, made of 900d oxford, waterproof pvc, 18 compartments, laptop pocket for up to 17 in., bottle pocket, adjustable bottom straps to store mat, sleeping bag, etc., reinforced zippers, compression straps to adjust volume, front velcro panel with interchangeable patches, dimensions: 50 x 32 x 32 cm