This 20 oz. water bottle is made of 18/8 medical grade stainless steel that won't transfer flavor or leave you with a metal aftertaste in your mouth. Features include a wide-mouth opening, straw lid with easy-open flip top and leakproof design and Thermo 3D(R) double wall vacuum insulation - keeps hot stuff hot and cold stuff cold. Compatible with most car and truck cup holders.  2.75" W x 10" H x 2.75" L