Amazon.com: Chipboard Box Dividers 49 Cells for 2 oz (60ml) Boston Round for eLiquid Vape Juice, Essential Oils, Cosmetics etc. Fits Inside Any 12 x 12 Box Like Large Flat Rate USPS
Corrugated Boxes with 100 cells Dividers (Fits 100 - 1 oz. Bottles) - set of 40
M01610-FS Cardboard Box with 144 Cell Dividers Partitions | eBay