Made to work with:

Sam's club Member's Mark 6-Tier NSF Heavy Duty Wire Shelving, 47.75" W x 18" D x 75.5" H

June Fox's Square Nursery Pots 3.3 Inches Flexible Plastic Seedling Pots Square Pots for Plants, Succulent, Flower, Pack of 60, with 60 PCS Plant Labels

But I have founnd it to work with all type of wire shelves I have, just hugs a little less tight.

Print on the open face and it doesnt need supports