The Official Oma's Jiffy Burger T-Shirt Next time you stop by for a hamburger, select your latest-model Oma's T-Shirt -- only $10. We have a wide variety of colors and new ones every year. Sizes are S, M, L, XL and 2XL. Mail orders welcomed. Please also state your second choice of colors. Send your check for $13.50, which includes the mailing expenses, to: Oma's Jiffy Burger 403 Water Street Waxahachie TX 75165 We will send you your T-shirt via the Postal Service.