Koval sketchbooks are divided into series. Each of them concert a specific purpose:

Pro Series - top sketchbooks for professionals.

All sketchbooks in this series have the highest quality with 300gsm weight, and all are sewn with waterproof thread.You can find many options of Pro Sketchbooks - cold pressed, hot pressed, natural white, extra white and many cover colors.

Art Series - sketchbooks for everyone.

Sketchbooks for professional artists and for beginners and for anyone who loves to sketch and create. Sketchbooks in this series contain mainly cotton papers of the highest quality, with a weight of 200gsm or similar.

GlamBooks series - sketchbooks which are stunning in appearance.

All Koval sketchbooks look different from any other sketchbook on the market, but in this series we decided to add even more unique and original look to them.  Here we use the craziest ideas and use materials unobtainable for mass production.  At the same time, we do not sacrifice quality so inside you will find, of course, the highest quality papers of various weights.