Instruction manual for the use of glass tableware: Please read carefully before using your glassware. Keep this manual in a safe place. Glass tableware is not heat-resistant, and rapid temperature change can cause damage it. Do not put the glass in boiling water or pour cold liquid into the glass suddenly when it is hot. Do not use on stove top, in microwave or conventional oven, or over an open flame. Cut Glass is fragile and easy to break. Handle it with caution to avoid scratches that may cause breakage and injury. Handle it with caution to avoid scratching or breaking. Broken glass is dangerous. Proper Care for Cut Glass    […]