Polish Pottery Ceramika Boleslawiec 0804/166 2-3/4 by 1-1/2-Inch Wine Stopper, Royal Blue Patterns Unikat signature polish pottery; limited production; model 0804 pattern 166 Boleslawiec white clay molded and painted by hand according to traditional methods; style, design and color influenced by contemporary shapes and dyes Scratch and chip resistant; lead free; oven; microwave; dishwasher; freezer safe without losing the beautiful colors and textures Unique original design and formation of the mold; Drying and pre-baking at 1562 Fahrenheit; Glazed and fired at 2282 Fahrenheit Measures 2-3/4 high by 1-1/2 long by 1-1/2 inches wide