Groupon goods has this Lock & Lock 28-Piece Food-Storage Container Set for $33.99, so Free Shipping and Free Returns.  I have a couple of sets of these and they are wonderful!  You will never again have to worry about the stupid lips popping off and dripping on the refrigerator shelf.  Here’s the sizes you get in these BPA-free containers:

Two 350mL rectangular containers (5.3 x 4 x 2)
Two 470mL rectangular containers (5.3 x 4 x 2.7)
Two 600mL rectangular containers (5.9 x 4.3 x 2.7)
Two 850mL rectangular tall containers (5.3 x 4 x 4.6)
Two 870mL square containers (6.1 x 6.1 x 2.4)
Two 1L rectangular containers (8.1 x 5.3 x 2.7)
Two 1.1L rectangular containers (7.1 x 5 x 3.5)
Lids for all containers