Busy Bees Mug Handmade in the Pocono Mountains of Pennsylvania, this lively mug features two busy bees buzzing around the exterior. Individually handmade on the potter's wheel with stoneware clay, each 16-ounce mug is high fired for a permanent finish that is lead-free, microwave safe, and dishwasher safe. Mugs sold separately. Special offer: Order 2 or more mugs (of any style) and receive a 10% discount on each! Use code 10mug in the coupon section of your shopping cart. ~ Crafted by hand in the USA ~ size: 4.5" high volume: approx. 14-16 fluid oz. materials: American stoneware Note: Stoneware is safe for oven, microwave, refrigerator and dishwasher use, but should not be used with a direct flame or on a stove-top. As with all pottery, stoneware should not be placed in a refrigerator when the surface is hot, placed under water when hot, or in a stove/microwave when chilled. Always begin from room temperature or close to room temperature.