Iris Airtight Pet Food Container Combo Kit (Navy/Gray) for $16.04 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 reference. The combo includes a 25-lb. airtight container with casters, 10-lb. airtight container, and 2-cup food scoop with 0.5-cup measuring marks.