The Big Zip™ Drink Tube Kit easily replaces a damaged or old drink tube on your Platypus® Big Zip EVO Reservoir. Grab a separate kit for a partner or each member of the family if sharing reservoirs is on your agenda. Kits offer specific tube lengths optimized for the Big Zip EVO Reservoir 1.5L. Includes a drink tube with quick-disconnect fitting, a Big Zip EVO shutoff valve, lapel attachment, and a HyFLO™ bite valve.