Get in a tropical frame of mind when you make a gift or giveaway of these cool and colorful Oahu stainless steel water bottles. These double-wall vacuum insulated bottles have a loop-style carrying handle, spill-resistant screw-on lid and hold a big 17 ounces of your favorite beverages -- keeping them cold for up to 24 hours. Choose from four cool colors with a bright and shiny matte finish, then add your school, sports team, organizational or company logo, emblem or message to create a great branded giveaway for marketing and social activities and events.