Youre buying an airtight seal glass container (3 Jars) with a rubber sealing material which prolongs freshness of your contents. The Airtight container keeps moisture and humidity out. The gasket is easy to open and close and the glass canister is dishwasher safe. The airtight glass jars are thick and sturdy and with a clear glass so you can see the contents. Made in Italy. This quality glass is lead and BPA free. The airtight containers are a must have to keep for herbs and food fresh for a long time. Additional Details ------------------------------ Material type: rubber, Glass