Astro 500 Vacuum Flask

The Astro 500 Vacuum Flask features a copper layer inside for superior insulation. It keeps contents hot or cold for 18-24 hours and is vacuum triple insulated. The flask is constructed with an outer stainless steel wall, a middle copper layer, and an inner stainless steel wall. It is made of 304 steel both inside and outside. This product is Made in India by Power Plus.