Universal Marine Navigation Plotting Sheets: gain precision in your seafaring adventures with our pack of 50 universally applicable marine navigation plotting sheets, also known as VP-OS sheets; Complete with a scaled circle at the center, these sheets allow you to devise longitude meridians for any latitude | Sizeable Navigation Sheets: our plotting sheets boast a generous size of 14 x 12.9 inches; There's ample space for you to make markings and set up custom charts without needing any additional space; Nice for mapping out your journey or formulating navigational strategies | Clear, Long-lasting Prints: no more apprehensions about fading ink with our navigation sheets; We employ green ink on white paper, clear prints that don't easily fade or bleed; This ensures that every number on the paper is easily discernible without strain, making it an invaluable tool for every sailor | Convenient and Portable: crafted with thick paper, these plotting sheets are built to last; Each set is bound with strong glue at the top; So, it's firm, sturdy, and still easy to carry around; Moreover, you can quickly and cleanly tear a sheet off without leaving any residue behind | Quality Material and Packaging: made from quality paper material, our plotting sheets uphold durability; The package includes 50 sheets, ensuring long-lasting use; This makes it suitable for regular trips or for those preparing for frequent examinations too