These thick glass storage jars are designed with air tight sealing lids to keep the contents fresh, you will actually hear the air-vacuum pop when you open your jar. There made in the USA. This particular one has a sticker with "100% Organic" written on.
In a range of fantastic designs they are a superbly designed solution to keeping all of your herbs fresh.
Small (7g) Jar, Medium (10g) Jar, Large (16g) Jar, Xtra-Small Jar