What a cute chair! Though it doesn’t do much (like swivelling or have adjustable height) it looks comfortable and pretty. A quiet confidence in the room. Check out the fabric:
Photo from Cocca, Japan
Cocca specialises in printed textiles and handcraft materials. Other than upholstered furniture, you can find fabric notebooks too, like this one:
Photo from Cocca, Japan
For online purchase, visit its online store here. Do note that there are transaction fees imposed, from 315yen and up.