Whatever your adventure may be the 3V Gear Scout 2L Hydro Tank Water Reservoir will keep you hydrated and ready to go. Our entry level Hydro Tank is built for those looking for high quality at an affordable price. The reservoirs durable construction offers maximum abrasion resistance and fill port collar for ease of handling ensures the reliable delivery of hands free water. Also includes the patented Bullet "Bite me" Valve and anti-microbial bladder interior and drink tube to prevent bacteria and mold. FEATURES 2.0 Liter Metallocene PE high strength & taste free film (BPA, Latex & PVC free) Tough construction for maximum abrasion resistance Easy-to-use 3/4 turn 53mm (2") Fill port Patented Bullet "Bite Me" valve Anti-microbial bladder interior and drink tube to prevent bacteria and mold Weight (empty): 5.6 oz. Hydro Tank measurements: 16" L x 6.5" W