The lids and containers feature a nesting design that means less clutter and more room in the cupboard. All of the 18 container-and-lid sets and the 2-divider trays in this set are made of a durable, BPA-free polypropylene. The lids feature a silicone seal to keep food as fresh as possible. Set includes (4) round 1.2-cup containers; (4) round 1.2-cup lids; (2) round 2 cup-containers; (2) round 2-cup lids; (4) rectangular 3-cup containers; (4) rectangular 3-cup lids; (2) square 5.4-cup containers; (2) square 5.4-cup lids; (2) round 3.8-cup containers; (2) round 3.8-cup lids; (2) rectangular 5-cup containers; (2) rectangular 5-cup lids; (2) rectangular 8.2-cup containers; (2) rectangular 8.2-cup lids; (2) divided tray inserts. Color:Blue/Teal/Purple.