NWT RARE Hydro Flask Hawaii LIMITED EDITION 40 ounce Wide Mouth Flamingo Temp shield is a unique insulation that keeps your drinks cold or hot for hours so you can stay refreshed for any adventure. BPA and toxin free, sweat proof finish, pro grade stainless steel, comfortable grip. Limited edition Hawaii collection; drawn inspiration from the Hawaiian islands to bring you this unique product release. Celebrate the aloha spirit with this exclusive offering that was available in Hawaii for a limited time only.