An Air Tight Capsule Jar is completely air and water tight and resist normal pressurization. The airtight jars are the best way to keep the weed or any other product mold-free. These small airtight jars are easy to handle, not bulky, and can easily be transported as well. The jar should have a large opening, big enough to fit your hand inside, and fitted with an airtight seal. The airtight smell-proof lid consists of a premium hermetic seal ring, which creates a high vacuum-tight barrier to prevent air passing from going in and out. Air Tight Capsule Jar is very effective.