22 oz Texas Doodle Flag Bison Tumbler. The GEN2 22 oz Tumbler is bigger and better than the previous 20 oz Tumbler. Load it up with craft beer, coffee, iced tea, water or your favorite beverage and don&';t worry about spills. The new leakproof lid keeps your beverages hot or cold... longer. Your go to Tumbler just improved with our new Texas Flag wrap. Unlike our Hard Coolers, SoftPaks and Hard Cases this product is imported.