Solari 18 oz Copper-Lined Powder-Coated Insulated Tumbler features double-wall insulated 18/8 powder-coated stainless steel construction that keeps beverage hot or cold for up to 12 hours. Has a wide-mouth top opening and screw-on rubber-seal stainless steel cap with flip-top spout. Compatible with most vehicle cup holders. Hand wash only and should not be put in the microwave or freezer. Must be ordered in exact case quantities and may ship from CA location. BPA Free and FDA certified.