NCAA Oklahoma Sooners 17oz Double Wall Stainless Steel Thermo Tumbler with Straw 17 ounce double wall stainless steel tumbler with straw Keeps beverages cold for over 12 hours, or hot for over 8 hours Made with food grade 18/8 stainless steel material, vacuum sealed for insulation Fits in most cup holders Great for home, office, or even in the car