• 24 oz Double Wall Reusable Tumbler with Straw • Made from 100% Recycled Plastic outer and 90% Recycled Stainless Steel inner. • Double Wall Construction For Insulation Of Hot Or Cold Liquids • Screw-On, Spill-Resistant Lid with 10" Straw • Constructed to fit into standard-size car/truck cup holders. • Rotating lid that offers two drinking options: a straw for cold drinks on one side and an opening for hot drinks on the other