Customize to your exact packaging needs with a full-color process 3.5"l x 3.5"w x 6.938"h gift box. 20 oz Economy Stainless Steel Tumbler with plastic PP liner. Has double wall construction for insulation of both hot and cold liquids. Equipped with spill-resistant, slide action lid with rubber gasket. Non-skid rubber bottom to hold your bottle in place. Keeps drinks hot or cold for up to 4 hours. Meets FDA Requirements and is BPA free. Material: Stainless steel outer and plastic PP Inner.