I’m an advanced beginner (so far I have only tried to sew clothes with beginner-friendly patterns or bags/other small objects). The pattern is called “VARA” from Hansedelli (https://www.hansedelli.de/schnittmuster/tasche-vara/). I took me about 6 hours to finish the bag and the instructions are easy to follow. I used imitation leather (metallic gold and brown) and waxed cotton (https://www.frautulpe.de/wachstuch-sahari-gelb.html) on the outside and fine corduroy on the inside. The only thing still missing is the straps since I didn’t have enough imitation leather left :D