The Perka® Trevi 17 oz. double wall, 18/8 stainless steel water bottle is a truly uniquely-designed drinkware item with its sleek body shape and angled screw-top lid. This bottle also touts high performance with its vacuum sealed construction and copper lining that will keep your water cold for 24 hours and your coffee hot for 24 hours. It fits most car cup holders, can be carried in your gym bag or purse and is FDA compliant and BPA free. This bottle has a pending patent.