Customized Tumblers & Travel Mugs, Reva 20 oz Double Wall Stainless Steel Tumbler - Vacuum Sealed & Temperature Control, Our Reva 18/8 double wall stainless steel tumbler with copper lining is vacuum sealed and keeps your coffee hot for 10 hours and your ice water cold for 18 hours. This tumbler has a clear sliding closure lid, comes in several metallic finishes and fits in most car cup holders. FDA compliant and BPA free. ... #KM8405 $15.27/each.