The Time Capsule Large Canister is perfect for keeping any of your herbs or tobacco fresh and tasting great. These jars are inspired by the NASA Biological Research In Canisters, or BRIC4, and their studies into storage containers that can withstand the pressures of space flight. These canisters resist pressurization and are air and water tight. Use space-age technology to keep your herbs fresh and safe! Perfect for dispensaries or to hold large amounts of herb or tobacco.