This sweet cup by Crayola is covered in crayons. Multicolored and convincing, this bright Crayola Be Colorful 18 oz. Mug shares inspirational messages urging its user to bravely be themselves, colorful, and authentic. Made of stoneware. Measures about 5 1/2-inches long x 4 2/5-inches tall x 3 3/4-inches wide. Hand wash only. Not dishwasher safe. Do not microwave.