We have the perfect everyday water bottle built for people on-the-go! This 20 oz. 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® double wall vacuum insulation – keeps hot stuff hot and cold stuff cold. Compatible with most car and truck cup holders.