---
type: help
title: "What paper stocks can I choose for cheap coroplast signs?"
description: "Coroplast signs aren't printed on paper. They use corrugated polypropylene, a fluted plastic engineered for the outdoors. Standard material: 4mm corrugated"
resource: https://www.4over4.com/help/signs/what-paper-stocks-can-i-choose-for-cheap-coroplast-signs
tags: ["Products", "help"]
timestamp: 2026-07-20T18:54:40.856Z
---

# What paper stocks can I choose for cheap coroplast signs?

Coroplast signs aren't printed on paper. They use corrugated polypropylene, a fluted plastic engineered for the outdoors. Standard material: 4mm corrugated

Part of the **Products** hub. See [all help concepts](index.md).

- Page type: help
- Hub: Products
- URL: https://www.4over4.com/help/signs/what-paper-stocks-can-i-choose-for-cheap-coroplast-signs