This Design for Living 18 Piece Microban Polypropylene Food Storage Container Set is perfect for storing fruits, vegetables, seasonings, and leftovers, and will keep foods fresher for longer. Containers are constructed of extremely durable polypropylene, and the lids feature four locking tabs to prevent spills and inhibit the growth of bacterial odors on the container. The lids are also 100% airtight and watertight. Bases and lids nest for easier storage. 18 piece set includes: one 2-1/4 quart container with lid, one 1 quart container with lid, one 20 ounce container with lid, two 3/4 quart containers with lids, two 1/4 quart containers with lids, and two 1/5 quart containers with lids. Miicrowave, freezer, and dishwasher safe.