Look no further friends. Your quest has ended for the perfect water reservoir! This easy-to-use top fill water reservoir makes for effortless filling and cleaning. The bullet "Bite Me" valve delivers water when you want it and seals close when you don't. Just a quick flip of the on and off switch and you will never need to worry about water leaking. A unique quick connect system makes it easy to remove the tube from the reservoir without water spilling everywhere. Plus, the included bite valve cover will keep you from getting a mouth full of dust while on the trail FEATURES 3.0 Liter Metallocene PE high strength and taste free film (BPA, Latex & PVC free) Tough construction for maximum abrasion resistance Easy-to-use top system for easy filling, draining, or cleaning Tube retainer for attaching to your backpack "Bite Me" valve with twist on/off Included bite valve cover Anti-microbial bladder interior and drink tube to prevent bacteria and mold Weight (empty): 5.6 oz. Hydro Tank measurements: 17" L x 8" W