NPUSA Men's Large Expandable Tactical Molle Hydration ReadyBackpack Daypack Bag + Flashlight BONUS ITEM INCLUDED: bright 120 lumen LED flashlight with lanyard. (colors vary) Material: 600D PVC-backed polyester for waterproof/resistant protection (fabric is water proof, zippers are not). Removable USA Flag velcro patch. Molle strap system: allows for attachment of external gear; D rings on shoulder straps; Side load compression straps to keep load tight Hydration Ready: 1.5L liter water bladder pocket inside main compartment with hose/tube pass through hole at the top (watter bladder not included) Excellent storage: 4 zippered side gusset pockets, 2 front zippered pockets, organizer, 1 main compartment Dimensions: 18.5"L x 12"W x 8.5"D; Volume: 2000 cu. in.; Expandable main compartment up to 2" extra storage space via perimeter zipper