noun
single sheet of paper; single page
Abbreviation of ペラ一枚 (ぺらいちまい), meaning a single sheet or page. Casual, often used in office or printing contexts.
この書類はペラ一で十分です。
A single sheet is enough for this document.
ペラ一のチラシを作って配った。
I made a single-page flyer and distributed it.
The full phrase from which ペラ一 is abbreviated; more explicit and slightly more formal.
Abbreviation of ペラ一枚 (ぺらいちまい), where ペラ is a mimetic word for something thin and flimsy, and 一 means 'one'. The exact origin of ペラ is uncertain.