cannot find which label format i need

[briffdogg]

hello i have these labels and cant find the right format option in mail merge for the life of me searching online here are the labels can someone please help me find which labels are these? APLI but which model? its 24 labels per sheet, 2 rows of 12, sizes 88.9mmX23,3, is there an easier way to find the label model format for mail merge for future reference?

 

[macropod]

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