Frito-Lay Chips Flavor Mix Multipack (20-Count) for $6.48. Shipping is free on orders over $35. If needed, use this Filler Tool to pad the order for free shipping. Here is a screenshot for your reference. Each Flavor Mix Multipack comes with 20 bags of 1-ounce single-serve bags. Getting such a multipack is a great way to try different flavors and just to have a variety of choices.