2021 International Tiny House Provisions: Code, Commentary and Standards for Design, Construction and Compliance - Chapter 7: Wall Covering - R704.2.1 Vinyl soffit panels.
Vinyl Soffit | Kaycan
Georgia-Pacific 12-in x 144-in Almond/Pebble Vinyl Vented Soffit in the Vinyl Soffit department at Lowes.com
Quality Vinyl Soffit - Soffit and Fascia Options- Gentek