Cardboard Box Dividers (Adjustable or Fixed) | GWP Packaging
Chipboard Partitions and Other Box Dividers
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