Rubbermaid Lock-Its with Easy Find Lids - 30-Piece Set 30 piece food storage set with locking lids. Lids also feature the Easy Find Lids stacking system. Lids snap to bases and other lids. One lid fits multiple bases. Bases and lids nest. 4 locking tabs for extra secure lid seal. Built-in rubberized seal. The only lock top with Easy Find Lids! Set includes 3 x 1.25 cups, 3 x 2 cups, 3 x 3 cups, 4 x 5 cups and 2 x 7 cups containers with lids.