100% brand and made with quality materials for reliable performance. Constructed from foodgrade silicone that is soft, flexible, durable, reusable, and easy to clean. Functions as a drinking straw plug, dust plug, and cup cover to help keep beverages clean and protected. Suitable for a variety of settings, including kitchen, living room, car, and office. This versatile silicone accessory is designed to keep your drinks fresh and from dust or debris. Its foodgrade material ensures safety for daily use, while the flexible design allows for easy application and removal. Practical use scenarios: 1. At home in the kitchen to keep your drink from airborne dust while you cook. 2. In the car to prevent spills or contamination while traveling. 3. In the office to maintain a clean beverage during long work sessions. Compatible with most cups and straws, this reusable plug and cover offers a simple, effective solution for maintaining drink cleanliness in any environment.