These Corner Guards prevent damaging paint or drywall when performing heavy cleaning with vacuums, hosing and cable. By placing these large corner guards on each corner will reate a powerful barrier to keep property safe and damage free. Eliminates costly claims and repairs when performing cleaning jobs, restoration or construction. Made of unbreakable, lightweight, non-marking plastic. • Protects dry wall, paint and surfaces from damage • Perfect for Construction Work, Vacuuming, Carpet Cleaning, Restoration Work and More! Made of High Density Polyment, That is Mark Free