Advanced Insulation Technology:Double wall vacuum insulated prefection in a stemless wine tumbler made from lifelong Stainless Steel!
Safe and Durable :It is made from unbreakable 304 18/8 food grade stainless steel, with DOUBLE-WALL insulation, a special treatment that minimizes fading and chipping .
 tumbler is BPA-free, durable, easy to clean, no odor and will not rust.