Keep your drink cold and look good doing it with this Chi Phi Tumbler! The Chi Phi symbol and fraternity name have been laser engraved on this BPA free, aluminum tumbler. This tumbler holds 30 oz, fits in most cupholders, and can keep your drinks cold for up to 4 hours! With a spill-resistant slide action lid, this will be your new go-to for on-the-go drinkwear.