The 3D Etching Novelty Coffee Mugs Stainless Steel Travel Beer Mugs Water Cup for Cold Beverage Drink Funny coffee tumbler with Rotating Bearing Handle with Lid and Straw,Copper, 21oz (21oz, Copper)Sky Fish 3D Etching Novelty Coffee Mugs Stainless Steel Travel Beer Mugs Water Cup for Cold Beverage Drink Funny coffee tumbler with Rotating Bearing Handle with Lid and Straw,Copper, 21oz (21oz, Copper). This stainless steel travel mug, with its stunning 3D etching and copper finish, not only looks great but is also functional. The 21 oz capacity is perfect for my morning coffee or a refreshing cold beverage on a hot day. What I love most about this mug is its innovative rotating bearing handle, which makes it incredibly easy to hold and sip from without spilling. The lid seals tightly, and the included straw is perfect for iced drinks. I took it on a weekend camping trip, and it kept my drinks cool while blending seamlessly with the outdoors. It's a conversation starter, and I've received numerous compliments on it. Overall, this novelty mug combines humor with practicality, making it a must-have for coffee and beverage enthusiasts alike. I highly recommend the Sky Fish mug for anyone looking to elevate their drinkware game.