The Cookies v2 Extendo Stackable Child Proof Plastic Storage Jar in Blue is the new and improved version of the Cookies Extendo Jar. The top smaller compartment has a silicone insert, making it perfect for not only flower, but concentrates and oils as well. The bottom compartment is larger and is perfect for storing flower. These jars are smell proof and child proof, making them safe to take with you wherever you go. Best yet, you can buy more than one and attach them all, as they are stackable.