Keep your cool when it’s hot outside when you bring along your favorite drink in these mason jar style tumblers. Made of durable glass, these jars have an ergonomic design with a wide handle, a threaded top with a screw-on lid and a reusable straw. They’re a great way to enjoy water, juice, soft drinks or cocktails. Clear design with assorted colored lids and black reusable straw. Add your school, sports team, organizational or company logo or message to customize.