A portable seat protector comprises a flexible cover portion that can be deployed over a seating surface, for example a seat in a motor vehicle. The protector includes mounting straps designed to secure the protector to a car seat headrest either when in use or when not in use. Storage straps secure the protector in a rolled up configuration when not in use. The cover can be made from materials that prevent moisture, oils or soil from being transferred from the user to the seating surface. The cover may optionally include multiple layers including materials that wick moisture from the user while still protecting the seating surface.