https://southhillhome.com/products/tiedye-stool-48x35/ 
https://www.kookudesign.com/stephane-parmentier/4096/tie-dye-side-table-stool.html 

DIMENSIONS
SIZE 1
Diameter: 31.50" (80cm)
Height: 18.11" (46cm)
SIZE 2
Diameter: 43.31" (110cm)
Height: 13.78" (35cm)
SIZE 3
Diameter: 11" (28cm)
Height: 17.7" (45cm)
SIZE 4
Diameter: 15" (38cm)
Height: 20.5" (52cm)
SIZE 4
Diameter: 18.9" (48cm)
Height: 13.78" (35cm)