Product information and features: The 3 day assault backpack has a Large load cargo capacity compartment Designed for easy access and organization (7 pockets) Body contour shoulder straps with D-Ring for equipment attachment, sternum strap and removable waist belt Individual foam pad back panel for extra comfort and maximum airflow Heavy-Duty carry and drag handle 3 Day Assault Backpack has Hydration Compatible up to two 3-Liter bladders Overall Dimension: 55 cm Height x 43 cm Width x 27 cm Diameter Main compartment: 55 cm Height x 30 cm Width x 20 cm Diameter Secondary compartment: 40 cm Height x 30 cm Width x 27 cm Diameter Bottom compartment: 15 cm Height x 22 cm Width x 6.3 cm Diameter Side compartments: 22 cm Height x 12 cm Width x 6.3 cm Diameter