Jars are glass and eliptical as described in other reviews; plus they are of the described size. However, the closings are not the clip type as shown on the photo, but rather the metal wire types shown on other jars. This makes closures shoddy and ill-fitting. It will be interesting to see how long they last! Already the closures on two of the five jars stick and require force to be applied. This means that none of the jars are air-tight. Not a problem because of my contents, but out of curiosity tried dry herbs and herbs sprinkle out of closed lids; more than a couple of millimeter gap regardless of rubber seal. The seller should provide detailed description in the details to avoid diappointment and frustration.