Libbey Cancun Margarita 7-Piece Glassware Set for $12.22. Select in-store pickup at Walmart to save on shipping. Otherwise, shipping is $4.97 for a total of $15.97 shipped, or free on orders over $50. Here is a screenshot for reference. Alternatively, it is available at Amazon for $12.22 with free shipping on orders over $35. The set includes six 9-ounce margarita glasses and one 89.5-ounce pitcher.