Description Cusano 22 oz Vacuum Insulated Stainless Steel Bottle with Bamboo Cap is made of 18/8 stainless steel with a powder-coated matte finish and copper-lined with double-wall insulation. Comes with a screw-on lid with a bamboo top that keeps beverages hot for up to 12 hours and cold for up to 24 hours. The metal carrying handle is securely attached to the lid. Do not put in microwave or freezer. Must be ordered in exact case quantities and may ship from CA. FDA certified.