This set features includes 4 - 1 cup containers, 4 - 2 cup containers, 1 - 4 cup containers, and 1 - 8 cup containers. It is made of leak-proof silicone and the lid can be removed from the hinge for easy cleaning and storage. The price drops from $39.99 to $19.99. Shipping is free for over $35 or adds $5.99.