According to the information by Vietnam Stamps Company, designed by artist Nguyen Du (Vietnam Post Corporation), the set includes three stamps measuring 46×31 millimetres and one bloc measuring 120×80 millimetres.

The stamps featuring images of Dong Van Karst Plateau Geopark in Ha Giang Province and Non Nuoc Cao Bang Geopark in Cao Bang Province are priced at VND 4,000.

Meanwhile, the stamp featuring Dak Nong Geopark, which is the third UNESCO-recognised Global Geopark in Vietnam after Dong Van Karst Plateau Geopark and Non Nuoc Cao Bang Geopark, is printed in a VND 8,000 denomination.

In the centre of the bloc is a stamp featuring an image of Dong Van Karst Plateau Geopark in Ha Giang Province. The block has a value of VND15,000.

The collection will be available at post offices nationwide until June 30, 2023.

The Global Geopark is a unique, natural area with clear boundaries, containing a collection of geological heritages of scientific value, distributed within a certain area, in harmony with the natural landscape, while simultaneously containing the values of biodiversity, archaeology, history, culture and society and possessing a suitable area for local economic development through tourism development and other ancillary services.