--- type: faq-hub title: "Paper & Stock" description: "Paper glossary: NCR paper, PCW recycled content, GSM, basis weight and other stock terms explained in plain words." resource: https://www.4over4.com/faqs/paper-stock tags: ["faq-hub"] generated: by: "process:4over4-mapp-build" at: 2026-10-20T21:15:07.571Z timestamp: 2026-10-20T21:15:07.571Z sources: - resource: https://www.4over4.com/faqs/paper-stock title: "Paper & Stock" status: stable --- # Paper & Stock Paper glossary: NCR paper, PCW recycled content, GSM, basis weight and other stock terms explained in plain words. 15 answers about paper & stock. - [What is NCR paper and how is it used?](https://www.4over4.com/faqs/paper-stock/what-is-ncr-paper-and-how-is-it-used) - [What does PCW mean on paper options?](https://www.4over4.com/faqs/paper-stock/what-does-pcw-mean-on-paper-options) - [What does GSM mean?](https://www.4over4.com/faqs/paper-stock/what-does-gsm-mean) - [What is basis weight?](https://www.4over4.com/faqs/paper-stock/what-is-basis-weight) - [What is paper caliper?](https://www.4over4.com/faqs/paper-stock/what-is-paper-caliper) - [What does point (pt) mean for paper?](https://www.4over4.com/faqs/paper-stock/what-does-point-pt-mean-for-paper) - [What is cover stock?](https://www.4over4.com/faqs/paper-stock/what-is-cover-stock) - [What is paper opacity?](https://www.4over4.com/faqs/paper-stock/what-is-paper-opacity) - [What is paper brightness?](https://www.4over4.com/faqs/paper-stock/what-is-paper-brightness) - [What is paper grain direction?](https://www.4over4.com/faqs/paper-stock/what-is-paper-grain-direction) - [What is kraft paper?](https://www.4over4.com/faqs/paper-stock/what-is-kraft-paper) - [What paper stock should I choose after designing?](https://www.4over4.com/faqs/paper-stock/what-paper-stock-should-i-choose-after-designing) - [Do paper and envelope prices change over time?](https://www.4over4.com/faqs/paper-stock/do-paper-and-envelope-prices-change-over-time) - [What material works best for trading cards?](https://www.4over4.com/faqs/paper-stock/what-material-do-you-recommend-for-trading-cards) - [What paper weight does 250gsm convert to in pounds?](https://www.4over4.com/faqs/paper-stock/what-paper-weight-does-250gsm-convert-to-in-4over4-s-standard-measurements) ## Didn't find your answer? Our team replies within 24 hours. [Submit a ticket](https://www.4over4.com/company/contact)