A Case OF 12 Color Changing Ceramic Sublimation Coffee Mug - 15oz. with smash proof foam-filled mug boxes Create high-quality custom mugs with our 15oz. ceramic mugs, perfect for personalized printing with dye-sublimation Keeps mugs safe and secure With MUGSIE Mug boxes you can Ship Your Mugs almost anywhere without Fear of Damages or Breakage Color changing mugs have the amazing ability to turn a regular mug into a magic mug! Starting with a dark charcoal background, your image is fully revealed with the addition of any hot beverage! Our mugs are compatible with sublimation and can be used for promotional purposes, gifts, or custom items to offer and design for your business. Size: 15 ounces Black color-changing coating Image slightly visible under coating. Not dishwasher/microwave safe Lead free For sublimation transfers