Wondermug Undersea Wonders Mugs in The Coral Reef color changing design

Wondermug Undersea Wonders Mugs in The Coral Reef color changing design Add a hot beverage and watch the mug burst into color and reveal beautiful coral, fish, and other sea life! Check out the video to see it in action. * Hand wash only * Avoid cleaning with harsh abrasives * Store in dark place * Avoid prolonged exposure to UV light * Microwaving not recommended but if you do, remove when color change occurs