Iron Orchid Designs Stamping Mask for Backplates stamp.
The new stamps come with stamping masks included but if you purchased one before the masks were created you need one of these.
Iron Orchid Designs IOD Backplates Stamping Mask to Use with the Iron Orchid Designs Decor Stamp Backplates.
This is a set of plastic shapes designed to use with the Iron Orchid Backplates stamp.
You use the stamping masks to prevent over stamping a previously stamped design.
There is one matching mask for each of the designs in the Backplates stamp set.
The last photo shows the stamp set that these go with. The stamp is not included. Just the masks.