Walmart has a set of inlay specifications that are performance approved from the Auburn University RFID Lab. Refer to the chart below to see what spec has been assigned to each category. You can only use an approved inlay from an item’s associated inlay list.

Department #


Inlay Spec

Approved Inlay List

D9 Apparel – All Packaging Types W3
D9 Footwear – All Packaging Types W4
D9 Backpacks – All Packaging Types W3
D9 Boxed Y
D9 Backer Card Y
D9 Header Card Y
D9 Polybag Y
D9 Hang Tag Y
D9 Clam Shell Y
D9 Adhesive Labels Contact RFID Lab
D9 Others Contact RFID Lab