Closed cell sponge with self adhesive backing strip. Will only absorb into the cut hollow cell. Stock sizes are:
3mm x 8mm
3mm x 13mm
3mm x 25mm
6mm x 25mm
6mm x 38mm...
3mm x 8mm
3mm x 13mm
3mm x 25mm
6mm x 25mm
6mm x 38mm...
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