Molle Hydration Backpack Pack With 2.5 Liter Bladder ACU Hydration Backpack ***** Unit overall dimensions: 18" x 11" ****** Color: ACU Complete with 2.5L TPU material bladder and bite valve Heavy-Duty carry and drag handle with removable shoulder straps Body contour shoulder straps with D-Ring for equipment, sternum strap, with side-release buckle Heavy weight webbing for modular attachments ******* Compression molded back panel