Sedulus 메인 레슨 노트 대형 A4 세로형 오렌지

The pages are thick enough that my fountain pen doesn't bleed through, and the oversized format gives my diagrams plenty of breathing room. The orange cover feels sturdy, like it'll survive a whole term in my bag.

Finally, a notebook that doesn't buckle under my fountain pen—the 20% larger page is perfect for sprawling botanical sketches. The 270gsm cover actually feels sturdy enough to toss in my bag without a worry.

The thicker 110gsm paper handles my fountain pen beautifully with no bleed-through, which I really appreciate for lesson notes. Only wish the cover was slightly more rigid for carrying in a bag.