These Jamb Protectors can be used over and over.  While they are a bit more expensive then the Hard Cardboard protectors. If you plan on moving them from job to job these are built to last.

Features

• Re-usable
• Protects Jambs from 4.5′ to 8″
• Prevents damage to vulnerable door jambs on work site
• Guard against gauges, nicks and scratches
• Cut them down and protect window sills while loading drywall