... 2. made by seasoned glass set workers 3. the output of glass set is a lot per month [Product Details ... cup is carefully polished to ensure comfortable for using. 3. Carving, gold-rim, decal or embossed craft, handmade ... Washing it with clean or boiling water before usage. 3. No touching the rim of glass cup, try ... it in the place where they can't tough. 3. Avoid dropping, Collision and strong impact. 4. ...