Black Dynasty Gürtel

Product itself is good, the product page not so much. There is no description though maybe I should've guessed from the term 'belt' but I thought it was all the blue bits in the picture, not just the belt. It's also too big. I got S/M but due to the style there is no chance it can be worn as 'S' as there's too much overlap.

Would also be helpful to have some kind of guide on how to properly tie it.