DESC: A great way to add hydration to just about any backpack you already own that is not currently configured with hydration. CamelBak’s UnBottle is a stand-alone system that easily slips into or attaches to any pack. External fillport access, make filling easy. Features: Easy, convenient filling with external access to the Omega Reservoir New Slick Clips make attaching the UnBottle on the outside of your pack a breeze New Ladder-lock on handle lets you hang the UnBottle quickly and easily Fully insulated to keep liquid cool for hours Made with lightweight, abrasion-resistant material UnBottle Specs: Capacity: 70 oz / 2 L 100 oz / 3 L Cargo: N/A N/A Weight Filled: 5.17 lbs / 2.35 kg 7.18 lbs / 3.26 kg Weight Empty: 0.61 lbs / .28 kg 0.66 lbs / .30 kg Dimensions: 17.5’ x 7.25’ x 5’ / 445 x 184 x 13 mm 18.5’ x 8.25’ x 5’ / 470 x 210 x 13 mm