Every year appaers the supplement Sweden booklets, this contains the sheets for the Leuchtturm preprint album.The sheets have SF mounts and an 13 ring perforation for the Leuchtturm ring binders.
Here you can store the stamp booklets issued in the previous year.
On all sheets there are frames where you can put the stamp booklets, usually with a picture of the stamp booklets itself. On all these frames are transparent mounts to safely place your stamp booklets in.
The supplement Sweden booklets contains the year 2021.
The content consists of 5 pages.