Walmart offers the Mainstays 3-Compartment Meal Prep Food Storage Container 60-Pack for $29.98. Opt for in-store pickup to avoid the $5.99 shipping fee. That's $7 off list and the best per-unit price we've seen for a food storage container. Buy Now Features 5-cup total capacity microwave and dishwasher (top rack) safe 60 black-colored bases and 60 transparent lids each measures 10" x 7" x 2.4"