A7.74mm x 105mm. A2.594mm x 420mm. A3.297mm x 420mm. These are not so many to one sheet. They are individual labels.

Label Size: A4 (297mm x 210mm)
Pack Size: Sample Sheet
Modified Item: No
Quantity/ Labels: 1-2000
Sub-Type: Blank Labels
Labels Per Sheet: 1
Type: Blank Labels
Style: Printer/ Copier Labels
Brand: Unbranded