Packo Jars are the first UN certified jars with a quarter turn screw lid closure and an integrated tamper evidence strip. This 1,500 ml jar is clean, safe, and fully certified. Packo jars keep moisture under control, make tampering visible, are smooth inside and are UN certified for shipping dangerous solids. They are stackable, lightweight and can help you meet sustainability goals as they are also re-usable. *Includes an inner seal that, in combination with the Packo outer lid, closes and seals the container with tamper-evident security using just a quarter-turn.