Introducing 5Pcs Silicone Straw Covers for Stanley 20, 30, & 40 Oz tumbler. Made of high-quality silicone material, these straw caps are perfect for keeping your beverage hot or cold for longer periods of time. With its spill-proof feature, you can now enjoy your drinks without worrying about any leaks. Adding a touch of style to your tumbler, these straw covers come in a multicolor pattern, making them perfect for everyday use or even for special occasions. Made of high quality silicone material, they are durable and long lasting. Perfect for both hot and cold beverages, these covers make sure your drinks stay at the perfect temperature. Add these covers to your collection of kitchen storage and organization items, and enjoy a hassle-free drinking experience. Please NOTE: These straw covers do not include a straw.