3M Adhesive Backing

Say goodbye to the hassle of making individual wax seals each time you want to seal an envelope! These adhesive backings are perfect for creating batches of wax seals.

20mm Round measures approximately 20mm or 0.78 inch, suitable for 20mm wax seals. Comes in multiples of 48 pieces.

25mm Round measures approximately 25mm or 1 inch, suitable for 25mm wax seals. Comes in multiples of 72 pieces.

35mm Obround measures approximately 35mm x 20mm or 1.3 inch x 0.78 inch, suitable for 35mm long obround wax seals. Comes in multiples of 60 pieces.