Rubbermaid 40-Piece Easy Find Lid Food Storage Set for $12.86 after coupon code KMART10PSAVINGS.  Order online for in-store pickup at Kmart to lock in the price and save on shipping.  Otherwise, shipping is $5.55 for a total of $18.41 shipped.  Here is a screenshot for your reference.  The set is microwave, freezer and dishwasher safe and includes five 0.5-cup and 1.25-cup containers with lids, four 2-cup containers with lids, and two 3-cup, 5-cup, and 7-cup containers with lids.  Most places have it for about $19.