Hot or cold, straw or lid, it's your choice! Just ride the wave. Fill up the ASOBU® Ocean Tumbler with your favorite beverage. In the mood for a hot coffee then a cool glass of water? No worries. Just switch the dual lid to suit your needs. Double walled, vacuum insulated stainless steel, ensures that your beverage remains hot or cold for hours! Features a flexible 100% BPA free, dishwasher safe silicone straw.