"Happy 18th Birthday" High Quality China Mug Gift By Haysom Interiors A unique 18th Birthday mug provided in a gift box. Hand wash only. This mug is not suitable for use in a microwave or dishwasher. Features a masculine design. The mug measures 3.5" tall x 6" wide x 3.5" deep. The decorative 18 icon is displayed on both sides of the mug.