The pages of the Hong Kong (China) content are made of strong woodfree paper (170 gr.). On all pages the frames where you can place the stamps are indicated, usually with a picture of the stamps itself. On all these frames there are transparent mounts to safely place your stamps .
The content Hong Kong (China) part IV contains the years 2018 till 2021.
The content consists of 69 pages;
2018:1-6(incl.1a),B1-8(incl.B7a); 2019:1-6(incl.1a),B1-9; 2020:1-5(incl.1a),B1-11; 2021:1-6(incl.1a),B1-13.