Insulated MSP-4 Enhanced Hydration Backpack with Bladder Kit

"Inside of this insulated heavy duty backpack made of nylon canvas material features storage of a removable 2 Liter (67.628 ounces) bladder kit. The bladder kit includes an easy twist off fill cap, drinking tube, and bite value, has a divided compartment with drain grommet. plus a separate area for your additional items. Outside features are your adjustable padded shoulder straps with “D” ring attachments and back panel with a vented mesh material which will reduce the amount of perspiration between you and the backpack, nylon mesh adjustable waistband strap with two vented mesh material side zippered pockets and side section zipper allowing for expansion. Front pocket for mp3 player. Dimensions are 19” Long x 9” Wide. Color – ACU Digital."