Drink in the promotional possibilities with a giveaway of these cool and colorful tumblers. Made of borosilicate glass, this 16 ounce capacity tumbler features a non-slip silicone sleeve, a bamboo wood lid and a reusable drinking straw. Enjoy your favorite beverages with no plastic odor or unpleasant taste. Not suitable for microwave or freezer. BPA free construction. Add your company logo or message to customize.