This uniquely textured Matte Black Diamond Tumbler with Straw is a one-of-a-kind gift for your amazing elementary school staff and teachers. The 24 oz. capacity tumbler with lid features a black matte finish with a diamond-like texture. A smooth circle on one side can easily be customized with your one-color imprint. Add your school name and design or a motivational Teacher Appreciation Week message to create custom tumblers especially for your school!