22 oz. double wall premium 304 stainless vacuum insulated tumbler with ceramic liner. *note: patent pending Ground breaking technology combines the strength of stainless steel with the softness of ceramic creating an unparalleled drinking experience! Once you drink from CeramiSteel™ you may never want to go back to plain stainless! Product Details BPA Free, Phthalate Free, Prop 65 & FDA Compliant. NO metallic taste. NO trapped smells or flavors. NO clinking teeth on steel! Does not stain. Easier to clean. Dishwasher durable. Vacuum insulation keeps beverages hot or cold with incredible temperature retention. Available in stainless, matte black, white (gray liner) and cobalt. BPA Free push in acrylic top with EZ clean sliding closure. Package Information 36/case 22×15.6×12” 23.6 lbs.