DOUBLE INSULATION TECHNOLOGY. Double wall insulated vacuum stainless steel wine tumbler can keep hot and cold beverages for hours! Thermostatic feature makes it stands out in tumblers, cups and mugs.
304 FOOD GRADE 18/8 STAINLESS STEEL. Safe, durable and unbreakable material for lifetime use. Dishwasher safe. Light weighted, portable for on the go. Advance ordinary wine glasses much more!