Masterseal keeps food fresher than you think!  Tefal's Masterseal bowls are ideal for storing pre-cut foods and leftovers. Your food stays even fresher in it. This is due to the special seal in the edge of the lid. This ensures that the tray is completely sealed, molding in the rim is prevented and 100% closed. This way you can take your food safely in your bag without worrying about leakage. The boxes are available in different shapes and sizes.  - 100% leak free  - Safe to take along on the go  - Prevents molding in the edge of the lid thanks to the special technology  - Baby Care certificate - Absolutely safe to use - BPA free  - Dishwasher-proof  - Microwave-proof  - Made in Germany  - 30 years guarantee  Keep food 2x as fresh  Freshness of your food is guaranteed in the Masterseal storage basins.  Thanks to the special seal in the lid, the box is perfectly closed. As a result, food stays fresh and stays in the bowl.  Safe to transport  The Tefal Masterseal bowls are 100% leak free. The special seal in the lid prevents the tray from leaking. Liquid food items can therefore be brought to perfection in the containers and heated in the microwave at a later time.  Hygienic Unique to the Masterseal bowls is that the seal is stuck in the lid. This ensures that there are no food and moisture in the rim, preventing bacteria and mold in the edge of the lid.  100% safe  The Tefal Masterseal bowls are 100% safe. They are completely free from BPA and thanks to the hygienic design of the lid, these are the first containers for which a Baby Care certificate has been issued. The boxes are made in Germany and there is a 30-year guarantee.