Custom Tumblers & Travel Mugs, Contoured 20 oz Stainless Steel Tumbler - Vacuum Insulated & BPA Free, Take your favorite beverage on the go with this 20oz vacuum tumbler. Double wall construction for insulation of hot or cold liquids. Spill resistant slide action lid with rubber gasket. Keeps drinks hot or cold up to 6 hours. Meets FDA requirements, BPA free. Hand Wash Recommended. ... #BTL101 $11.42/each.