An Apothecary Style Cabinet, designed to fit the narrow Ikea Billy shelf, (one Billy shelf sold every minute). filling the space if shelves are spaced evenly.
Two of these and a narrow divider (free with every pair ordered will fit the wider Billy shelf unit.
16 drawers with no dividers (default), or drawers with 5 slots to accommodate divider inserts, 2 supplied but more are available on request.
Each drawer is 80mm wide x 65mm high x 248mm long, 3 1/8" wide x 2 5/8" high x 9 3/4" long
There are multiple finish options ...
... Dark Stain, Light Stain or No Stain
Also available is a 20 drawer version (wider than Billy)
https://www.etsy.com/listing/1006768522/apothecary-style-cabinet-20-drawer
and a 10 drawer with various size drawers, (wider than Billy)
https://www.etsy.com/listing/1006768522/apothecary-style-cabinet-10-drawer