SpectraCal (TM) - When new and potential customers want to chill out with your brand, make it easy with this 16 oz. Double Wall Drink Tumbler with Lid and Straw! They can take it poolside, to the beach or on the go, which is why it's a best seller. The BPA free double wall tumbler is great for any hot or cold beverage. It features a twist tight spill proof lid with matching straw and sure-ring to prevent spillage. It measures 6 1/4" x 2 3/4" diameter, leaving ample room for your company's logo. Put your brand in their hands and they'll help spread the word!