Heat Color Change Magic Coffee Mugs Cups A grade quality Eco-friendly material Color changing Custom Heat Sensitive Color Colour Change Magic Coffee Mugs Cups Material: Ceramic , ... egg-crate cardboard carton , 36pcs/cn , 41*28*31cm , G.W.: 15kgs or individual box , 48pcs /cn, 42*32*48cm ... , W.G. 19kgs Applicable Range: Promotional Gift, Daily Use Contact : ...