This set includes various sizes, from 0.5-cup mini to 6.2-cup medium bowl containers. It features improved leakproof Twist & Seal lids, suitable for storing liquids. Made from BPA-free plastic, the containers are microwave-safe and dishwasher-safe on the top rack. The price drops from $27.61 to just $15.96. Shipping is free for over $35 or adds $6.99.