CAMELBAK with 3L capacity and Thinsulate material. I purchased this new, but only tried it on with water once and never used it. - Brand: CAMELBAK - Color: Multicam - Capacity: 3L - Weight: 1.7LB / 0.8KG - Dimensions: 41CM x 25CM x 15CM - Material: Thinsulate - Model Name: AMBUSH ◯ One hydration pack ◯ One unused reservoir tank ◯ One reservoir tank, only filled with water once (then dried immediately) These three items are for sale. Regarding the tank that was only filled with water, the tube has been cleaned, washed, sterilized, and disinfected with a CamelBak-specific brush before listing.