Heart be your compass 20oz Insulated UV Color Changing Skinny TumblerThis 20oz insulated tumbler change color with direct sunlight and is perfect for keeping your drinks hot cold on the go! A perfect gift for a friend, coworker, sibling, cousin, or someone else in your life. These are Insulated beverage tumblers that hold 20 fluid ounces. They come with a lid and straw. Due to the handmade nature, the placement of the design will slightly vary from cup to cup. Photos are taken in natural light but colors may vary from