Beauticom offers a wide variety of jars. Every jar is lightweight and compact, and some jars are TSA-approved, which makes it easier to travel and holds about anything you need. They are made of toxic-free BPA-free high quality acrylic to ensure long lasting use and durability. These 5g/5ml stackable jars have threaded bottoms that securely screws on top of the other. The clear stackable jars create an easy space-saving storage for various items such as beads, nails, rhinestones, charms, creams, and more. However, the stackable jars do not come with a foam gasket liner. Each column include 6 jars and 1 lid (ex. 6 Columns = 36 bottoms and 6 lids).