15oz Coffee Mug, A Surprise Color Changing Coffee Mug. When the hot liquid is poured, the surface of the heat sensitive mug will change color, and the hidden picture will appear on the surface. This heat changing mug is made of the highest quality ceramics, with a special coating treated with high temperature, lead-free and chrome-free, very healthy and safe. This Mug is dishwasher and microwave safe and fade resistant.
Square/Round Coaster is made of 100% all-natural slate, with rough edges that make them look more stylish. The bottom of the coaster has a non-slip soft mat that provides stability and makes sure your tables won't be scratched. Slate stone coasters are easy to clean and maintain - just wipe them down with a soft cloth.
