Perfect Customer Service: Whether It's Before or After Sale, If You Have Any Questions About This Tumbler, Please Contact Our Seller, We Will Reply to You as Soon as Possible to Make Sure You Have a Pleasant Shopping Experience! Large capacity: This tumbler is perfect for holding your favorite drinks, including coffee, tea, cocktails, and more. The large size ensures that you can enjoy your beverages without having to refill frequently. Double-wall insulation: The tumbler features a double-wall insulation system that keeps your drinks hot or cold for hours. The inner wall is made of stainless steel, while the outer wall is made of durable, BPA-free plastic. This insulation prevents condensation and sweating on the outside of the tumbler, making it comfortable to hold. Leak-proof lid: The tumbler comes with a leak-proof lid that securely seals the container. This feature prevents any spills or leaks, making it ideal for use while on the go. Large size upper part of the mug and large in volume make tumbler easy to clean. Smaller lower part of the mug makes it easy to hold and suits most cup holders in cars. Moreover, this cup comes with a handle, which is more convenient to carry. Easy to carry: The tumbler comes with a handle that makes it easy to carry. The handle provides a comfortable grip, allowing you to carry the tumbler with one hand. The tumbler is easy to clean and maintain.