SMELL PROOF & AIRTIGHT JAR - This smell proof jar features a tight screw top lid with an additional insert tab seal to ensure that stashing is 100% smell proof. Our stash jars are designed with air tight container technology to minimize the risk of oxidation while maximizing the lifespan and freshness of your herbs, spices and perishables. UV PROTECTION GLASS - The thick and durable UV-protection coated glass offers uncompromised defense against sunlight and every type of UV radiation. Safeguard your herbs, spices, coffee or tea in this stash container to slow down the decaying process while maintaining the quality of your herbs. KEEPS HERBS FRESH - Our stash jars are specially designed to protect, preserve and extend the freshness of all herbs and spices. This herb jar sets the standard of excellence by satisfying every botanical and herbal need for extended periods of time.