Interchangeable lids with four locking, leak-proof tabs secure to both glass and plastic food containers in this comprehensive set from OXO. See-through storage in a clean, table-friendly design comes in both rectangular and round containers in a variety of sizes, nesting for space-saving storage. Set includes 15 interchangeable lids; rectangular glass in 4oz., 2-, 3.5 and 8-cup sizes; round glass in 1-, 2-, 4- and 7-cup capacities; and plastic containers in 6 oz. 2-, 3-, 4.5-, 5-, 6- and 10-cup sizes.