Perfect replacement cover: Ensure compatibility with 30 oz tumblers by measuring the inner and outer diameter of your cup before purchasing our replacement glass lids
Safety materials: Constructed from BPA-free AS and PP, our lightweight yet durable lids can be reused for years
Easy to use: The sliding button on our lids offers the option to drink straight or use a straw, while providing good airtightness to maintain beverage temperature
Unique design: Our magnetic sliding lid is easily removable for dishwasher cleaning, and the clear design allows for easy refills and drink safety
After sales service: Contact us with any issues regarding our glass cup caps and we will provide a solution within 24 hours