A: There should be no issues with the gel pen or a ball point pen bleeding through.
A: Gel pens and markers don't bleed through to the other side.
A: No it is a soft cover
A: I saw it on a video and the cover looks like it bends. The whole book can be bended a little. The woman said it's "so soft" whatever that means. She raved about it.
A: The pages are not perforated.
A: No. I have the sketchbook and use watercolor and I ｄｏｎ＇ｔ ｈａｖｅ ｂｌｅｅｄｉｎｇ ｐｒｏｂｌｅｍ．
A: the cover is made of art board and is a similar consistency/flexibility to card stock (however is thicker than that). It would be more of a "softcover" style than a "hardcover"
A: The description stated that it has 240 pages I believe.
A: No they would bleed through unfortunately