The 21 oz Stainless Steel Insulated bottle with Twist Top Spout is made of 304 stainless steel with a powder-coated matte finish. The wide-mouth lid is BPA-free and with double insulation to keep beverages hot for up to 12 hours and cold for up to 24 hours and a silicone handle makes for easy carrying. Recommended hand wash only and should not be put in the microwave or freezer. Must be ordered in exact case quantities. Orders may ship from CA location. FDA certified. Complies with CPSIA, FDA, Prop 65.