Universal Replacement Lid – 4.5cm Diameter Designed for a precise universal fit, this 4.5cm diameter lid cover is compatible with most standard vacuum flasks and insulated travel mugs, making it a reliable solution for replacing lost or damaged lids. Lightweight and compact, it is easy to store in your bag, backpack, or desk drawer, ensuring you always have a spare lid when you need it. Secure sealing capability helps maintain your beverage's temperature, keeping drinks hot or cold for longer while preventing spills during travel. Compatible with a wide range of insulated beverage container brands, offering flexible use across different models without the need for multiple lids. Practical Uses: 1. Keep a spare in your work bag for your daily commute so you can always enjoy your coffee or tea at the right temperature. 2. Take it on outdoor trips such as hiking or camping to a lost lid instantly and keep your drinks secure and insulated. 3. Use it at home as a backup for family members who share multiple travel mugs, reducing the need for urgent replacements. Material and Performance: Crafted to deliver a dependable seal, this lid is both practical and durable for everyday use. Its streamlined design ensures easy cleaning and simple attachment or removal from compatible containers. Size: 4.5cm diameter – ideal for most standard vacuum flasks and insulated travel mugs.