---
type: faq
title: "What is a black mask file and when do I need it for scratch-off printing?"
description: "A black mask file is a separate file that tells the production team exactly where the scratch-off coating should be applied on your printed piece. You need"
resource: https://www.4over4.com/faqs/shape/what-is-a-black-mask-file-and-when-do-i-need-it-for-scratch-off-printing
tags: ["Shape", "faq"]
timestamp: 2026-07-20T18:54:40.856Z
---

# What is a black mask file and when do I need it for scratch-off printing?

A black mask file is a separate file that tells the production team exactly where the scratch-off coating should be applied on your printed piece. You need

Part of the **Shape** hub. See [all faq concepts](index.md).

- Page type: faq
- Hub: Shape
- URL: https://www.4over4.com/faqs/shape/what-is-a-black-mask-file-and-when-do-i-need-it-for-scratch-off-printing