These stylish containers are designed for sushi but can be used for many other products that are not very tall (eg, bakery products). They have a black bottom and clear top and seal very well, althought they are not designed for liquids (they lock at the four corners). 6" x 4" x 1 1/2". Price includes bottom and top. They are made from polylactic acid (PLA), which is made from agricultural crops such as corn and potatoes and are fully biodegradable and compostable. There are no animal or petrochemical ingredients in the containers. Reuseable. For use with warm/cold foods (ie, up to about 110 degrees). Pack of 100. Eco Categories: Biodegradable, agriculturally based, less toxic, animal friendly, reuseable. Note: sales price limited to stock on hand.