Take a sip out of our SENSO™ Classic 22 oz Vacuum Insulated Stainless Steel Bottle Has 18/8 stainless steel construction with a powder-coated matte finish. The interior is copper-lined and has double-wall insulation. Perfect for on the go and great for daily events or working out. Keeps your beverages hot for up to 12 hours and cold for up to 24 hours. Condensation-free surface, BPA Free and FDA certified.