Features: Brand new and high quality Keep your drinks at the perfect temperature with this cover for your flask. Made from plastic material, it ensures durable use. This portable and universal travel mug accessory is designed to fit most flasks and bottles. Its plastic construction makes it lightweight and easy to carry. Perfect for anyone who enjoys hot or cold beverages, this cover is a must have accessory. Whether you're a traveler or outdoor, it keeps your drinks at right temperature. It will help keep your drinks hot or cold, allowing you to enjoy them wherever you go. Customize your flask with this fine quality lid cover. With its practical functionality, it not only keeps your drinks insulated but also add convenience to your routine. Specifications: Material: Plastic Size: As the pictures shown Optional Color: Red, Deep Gray, Light Gray Quantity: 1 Pc Package Includes: 1Pc Thermo Bottle Cap note: Please allow 0-1cm error due to manual measurement. please make sure you do not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual color of the item.