Maximize storage space for a variety of items in Carlisle Squares food storage containers! Tight fitting, color-coded lids (sold separately) encourage organization and reduce cross-contamination. Color-coded liter and quart markings match color-coded lids to ensure a quick and easy match. Keep food organized and separated for sanitary storage. Food Container Type: Base; Material(s): Polycarbonate; Material Type: Plastic; Interior Volume Capacity: 4 qt.