Our double wall straw tumblers will help keep any "hot" or "cold" beverage at the right temperature. They all come with an acrylic straw and secure elegant gold lid with rubber gasket to keep your beverages from leaking or spilling, and are made of BPA free materials. Large opening for easy filling and cleaning... these acrylic tumblers hold up to 24 ounces of liquid storage which is often considered the perfect portion! Fits most cup holders and are great for bbq's, home use, picnics, office, etc. Top-Rack dishwasher safe.