Tex. Alcoholic Beverage Code § 51.02
AUTHORIZED ACTIVITIES.
The holder of a mixed beverage permit issued for operation in a hotel may sell the following alcoholic beverages out of a minibar:
(1) distilled spirits in containers of not less than one ounce nor more than two ounces;
(2) wine and vinous liquors in containers of not more than 13 fluid ounces; and
(3) malt beverages in containers of not more than 12 fluid ounces.