12 oz Vacuum Sealed Wine Cup with a sleek powdercoat finish. It is expertly crafted with 18/8 double-wall stainless steel and copper lining to provide exceptional insulation. This wine cup keeps your drinks hot for up to 8 hours, cold for up to 12 hours, and your wine fresh for up to 6 hours, allowing you to savor every sip. It includes a convenient plastic lid for spill-free transportation. FDA compliant and BPA free.