The gorgeous bowls are made of melamine, which is practical, strong, durable and absolute essential for your everyday, for parties, picnics and much more - and perfect for both indoor and outdoor use. At RICE we spend a lot of resources staying on top the latest rules and regulations regarding food safety and sustainability, and our melamine is of the highest quality, reusable and free of bisphenol A and phthalates - we love this material and the many possibilities it holds. These colorful bowls are part of our storage-series that also has small food storage for the lunch box and round storage containers for all sorts of things. So if you are crazy about practical storage - as we are - be sure to check out all of our funky storage products.