LT SF Pre-Cut 26x41mm, clear backing film

Leuchtturm Albenverlag (Germany) 
SF Pre-Cut for Stamps Format 26x41 mm, clear backing film
pack of 50, Made from 100 % polystyrene, free from acid and chemical softeners, with adhesive reverse side, (article LTSF26x41c blue package).

Remarks to Pre-cut SF-mounts: LIGHTHOUSE pre-cut SF-mounts for most standard sizes. The size of the mount is cut 4 mm larger than the actual stamp for that nice "centered" look.