The cups are made of melamine, which is practical, durable and an essential for everyday life, parties, picnics and much more! At RICE we spend a lot of resources staying on top of the latest rules and regulations regarding food safety and sustainability. Therefore, we make sure 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. It lasts for a long time and can go in the dishwasher over and over again... Identify your RICE melamine products by the RICE hologram sticker making sure you get the original RICE quality! You can always find more information about our materials under "Experience Rice" & "Product information". Our tall melamine cups are only suitable for drinks up to max 70 degrees, so do not use it for boiling water. *Product information may be subject to errors, changes, or sold out items.