Source WLPS 3L/100oz Low Profile Hydration BladderThe WLPS tactical bladder is designed for low profile hydration carriers like vest compatible MOLLE pouches and packs. The Widepac wide opening is ideal for filling, ice insertion, emptying and drying the bladder. The SOURCE technology and materials make this bladder unique in its low maintenance properties: Fill and just refill water stays fresh for days and weeks in our bladders. Hydration Bladder Features Low Profile: Baffle wall keeps the bladder