I got these on Amazon, I use the 3oz. size bottles from EG and they fit well. The first I use on the sides and the second I use in the middle of my medicine/linen cabinet.

https://www.amazon.com/dp/B073DM1ZXK/ref=asc_df_B073DM1ZXK5450158/?tag=hyprod-20&creative=394997&creativeASIN=B073DM1ZXK&linkCode=df0&hvadid=216518893322&hvpos=1o3&hvnetw=g&hvrand=4044520892935334704&hvpone=&hvptwo=&hvqmt=&hvdev=m&hvdvcmdl=&hvlocint=&hvlocphy=9031446&hvtargid=pla-350493363483

https://www.amazon.com/gp/aw/d/B0052FZORC/ref=mp_s_a_1_fkmr0_1_a_it?ie=UTF8&qid=1524539126&sr=8-1-fkmr0&keywords=sodynee+72+organizer

The middle shelf is a bit smaller than the bottom one.

iDesign Hanging Nail Polish &... https://www.amazon.com/dp/B073DM1ZXK?ref=ppx_pop_mob_ap_share