LT SF Strips 217x21mm, black backing film

LT SF Strips to cut for Stamps, Format 217x21 mm, black backing film, pack of 25, Made from 100 % polystyrene, free from acid and chemical softeners, with adhesive reverse side, (Article 335 835 Yellow Packed). 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. *This Article is only available in Switzerland*