* THE TOP SHELF EIGHTH OUNCE ODOR PROOF STORAGE JAR - Thick premium quality glass with exclusive O-ring closure provide a more secure air tight fit, keeping products fresh * INCREASE SHELF LIFE - Protection provided by dark glass reduces keeps coffee and herbs more fresh than a typical mason jar * ALWAYS KNOW WHAT'S IN YOUR JAR - Includes access to award winning software with a unique barcode, allowing you to keep track of what you store inside your jar. * LOCK IN SMELL AND FRESHNESS * 100% SATISFACTION GUARANTEE - Formline Supply is an American Brand and Company that you can trust. We are always responsive to our customers and you can be sure that your purchases here are backed by our 100% Satisfaction guarantee.