Let them know the vehicle has been sanitized! Red and Blue “Sanitized Vehicle” circle decals with removable adhesive. Sold by the dozen {12 per pack}. Size: 6 inch diameter. Neatly shrink wrapped in packs of a dozen with a chipboard backer to prevent curling during storage. Made of durable, waterproof vinyl, these bright, Sunbuster non-fade signs demand attention! Each sign is slit on the back for easy application. Removable adhesive allows easy, clean removal.
https://www.featherflags.com/product/Sanitized-Decals-ez117-25234/