This will be a review of the cover only, because when I won this refillable cover with notebook at pen club last year, I realized that it would perfectly fit the Hobonichi Avec. I took the notebook out, put the Avec in, and somewhere in my possessions the Kokuyo is still chillin. It’s probably a great notebook. Who knows. Not me.

Yo dawg I heard you like notebooks so I put a notebook on your notebook so you can plan while you’re planning
The cover, however, I know is solid money. I’m not of the planner school of thought where you have a five-foot-thick stuffed planner whose two shapes are elastic-bound stepstool and, unleashed, barely usable rainbow. But I do like my planner and cover combo to bring some utility to the game—carry some essential sticker sheets, spare receipts, a washi tape card, etc. The Kokuyo Systemic cover brings that perfect amount of function and protection without adding too much bulk to the planner.

Cat stickers, passport, and meta-charm not included
The outside has a pocket front and back to easily hold sticker sheets, tickets, or other bits of paper you want easily accessible. And I guess you can tuck a pen in there, but I’m not wild about that concept, as I’m concerned about it deforming overtime. The elastic is sturdy, and the canvas cover has resisted dirt, grime, and other purse perils amazingly well. You can also clip a charm to the bookmark ribbon outside, if that’s your jam. The bookmark ribbon, since it’s knotted, isn’t going to be pulled out by any charm you put outside. As a bookmark, it’s simple, effective, and so far has yet to fray. And it’s easily replaceable if you want to customize.

So much artistic stuff and I did none of it. Except put the washi tape on the card. The ‘january’ is for tracing into my Hippo Noto once it arrives
The front and back of the cover’s inside has plastic flaps you insert the notebook into, with extra cutouts in those flaps to provide further pocket function. The front has a split halfway down that I’ve been tucking a month’s worth of receipts into. The back has a split halfway down plus a card slot on the bottom half. I’ve been using the card slot to hold one of my washi tape cards, with some artwork from a friend tucked up top. When I have cash money to spare I might also slip a bill back here for rainy day emergencies. I also keep a pencil board in among the pages of the Hobonichi, and one of those little folders slipped in the back. The elastic band does a perfect job of keeping everything contained.

If people are putting their full sized Hobonichis in these things, I don’t know how. Seems like it would be too big.
The Kokuyo Systemic refillable notebook cover is something I would have probably never come up with on my own to house my Hobonichi Avec, but now that I have it I don’t know how I got along without. My only suggestion would be more colorways, perhaps—it also comes in a Khaki/Brown, but that’s hardly a panoply of choice. There’s also semi B5 and A5 sized refillable covers, if you live your life with notebooks that big.
Kokuyo Systemic Refillable Notebook Cover – A6 – Khaki/Navy at JetPens
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