stainless steel tumbler with lid

1.Material: straight tumbler is made of quality 18/304 stainless steel with an extra spray painting, which good to keep rust free and ensure no metallic taste, durable and convenient to use, easy to clean, has a long service lifespan. 2.Vacuum insulation: 18/8 stainless steel double wall vacuum insulated technology, no need to worry about your hot coffee getting cold or your cold drinks getting warm, also combined with a splash resistant lid and you get additional thermal control. 3.Wide application: the double-insulated flute tumbler can be applied as wine cups, champagne cups, or water cup, suitable for parties, picnics, boats, beach, pool, camping and hiking, etc.