The Tollara 30 oz Vacuum Insulated Tumbler with Flip Top Spout is made of 18/8 stainless steel with a powder-coated matte finish and is copper-lined with double-wall insulation that keeps beverages cold for up to 24 hours. Comes with a plastic lid with a flip-top spout and carrier handle. Recommended hand wash only and should not be put in the microwave or freezer.