---
title: Size
framework: quicktime-file-format
role: symbol
role_heading: Data field
path: quicktime-file-format/compressed_matte_atom/size
---

# Size

A 32-bit integer that specifies the number of bytes in this compressed matte atom.

## See Also

### Data fields

- [Type](quicktime-file-format/compressed_matte_atom/type.md)
- [Version](quicktime-file-format/compressed_matte_atom/version.md)
- [Flags](quicktime-file-format/compressed_matte_atom/flags.md)
- [Matte image description structure](quicktime-file-format/compressed_matte_atom/matte_image_description_structure.md)
- [Matte data](quicktime-file-format/compressed_matte_atom/matte_data.md)