Thrunotes waterproof notebooks and memo books are made from all-weather Yupo synthetic substrates which are made from polypropylene. Yupo is 100% tree-free, BPA-free, acid-free, coating and laminate-free, ISO 14.001-certified, and recyclable. But we really hope you never want to part ways with your Thrunotes.

Yes. All of our waterproof notebooks and memo books are 100% recyclable. Our packaging is too.

No. We recommend you use any humble pencil for best results, it’s erasable too, or a ballpoint pen, but let ballpoints dry first before closing your Thrunotes.

We recommend never using fountain pens, gel pens or highlighters. Permanent markers and Sharpies do work when your pages are dry. But try to avoid using them on wet pages.

Yes. Pencil easily rubs out using an eraser on our waterproof notebooks and memo books, it’s still super resistant against abration, even when wet.

Depending on the type of pen, the weather and the temperature, you may need to blow on the ink to dry it before closing your Thrunotes waterproof notebook or memo book to avoid minor ghosting. Once dry, ballpoint inks are highly water-repellent and smudge-resistant.

We can’t tear our pages at all using brute force, but they’ll cut beautifully with scissors. Our Thru Memo waterproof notebooks do have 2 perforated leaves should you wish to share your notes or contact details with someone.