bubba 17 oz envy tumbler fresh cafe gray Dual wall insulation creates a insulating barrier, keeping beverage inside tumbler from changing temperatures Eastman Tritan construction makes tumblers impact, stain, odor and heat resistant; BPA free Spill-proof lid designed for easy drinking and convenient one hand operation. Iconic bubba shape that consumers have grown to trust; envy tumbler does not "sweat" Fits in some car cup holders; Dishwasher safe.