What Size Dram Do I Need? Pop Top plastic vial containers, the most convenient way to store dry herbs. These pop-top containers feature a squeeze type design with a pop-top, firmly squeeze on both sides to open and enjoy what's inside. Not only are they are FDA approved but also are airtight, moisture resistant, and smell proof. Size and Capacity 90 Dram (not child resistant) - 45 Bottles per case - 2.87" deep and 3.16" wide