Polydura Material Creates A Tough But Flexible Outer Shell. Whether You'Re Needing A Hiking Journal, Outfitting Your Police Gear, Starting A Golf Journal, Or Just Keeping A Shower Notebook, The Polydura Cover Material Will Defend Your Field Notes From Scratches And Stains.Our waterproof thick paper notebook, we are using 100% recyclable stone paper (100gsm) and naturally participating in environmental protection.In addition, the spring binding can be folded and unfolded 360 degrees, without causing any discomfort when turning the paper.There is also a help line for the ruled notebook to help your writing look much cleaner and in line!

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