Made of high quality grade stainless steel that completely taste-free, rust-proof, leak-proof. The coffee mug lid comes with an airtight silicone seal that prevents the drinks from spilling. 13oz capacity, small and beautiful, easy to carry,Narrow body design makes it easy to grab and go, also fits most car cup holders and coffee makers. Enjoy your coffee easily wherever you go. Suitable for use indoor and outdoor, such as home, parties, travel, school, riding,and office time.Wide mouth design for easy cleaning and adding ice cubes.Measured 3.5"*3.5"*5.71".Black and white colors for your choice. Customize your logo or brand name on the front to boost your brand awareness! Shipping via sea for the last price tier.