Walmart has the 18-Piece Mainstays Tritan Stainproof Plastic Food Storage Set (48632) for $9.48 with free shipping with Walmart+ (free 30-day trial), $6 shipping, or free shipping on $35+.

Includes two 0.89-cup, 2.3-cup, 4.7-cup square containers with lids, 0.51-cup, 4.2-cup, 11.8-cup rectangular containers with lids, and two 0.46-cup round containers with lid.