Explorer Tactical Backpack Military Assault Pack with Molle Attachments It Has a Main Compartment Pocket for your Water Bladder. Up to 3 Lts Water Bladder (not included) Fully Adjustable Padded Shoulder Straps. Chest Strap for a better weight balance. MOLLE Panel for personalization with Morale Patches. 4 Side Pockets for your gear you can carry in two different ways as a backpack and as a duffle bag. Overall Dimensions of the Backpack 20" x 11.5" x 11"