Snapware 1117295 Airtight 24-Piece Container Set for $13.99. Shipping is $5.00 fora  total of $18.99 shipped.  Here is a screenshot for reference.the container set is made of BPA-free polypropylene, dishwasher and microwave safe, and has airtight and leak proof gasket and 4 latch locking lid for secure closing.