They prevent damage or soiling to the wall.
125 X 8 FT 10 Pcs Case Standard Type (CLEAR WITH NO HOLES) - unless otherwise specified by part number Also available in Self-Stick Adhesive Backed (see product overview - different part numbers) Also available in Colors (see product overview - different part numbers) These Tri-Guardâ„¢ Polycarbonate Corner Guards will not chip, crack, break, discolor or shrink.. Corner Guards - Lexan Polycarbonate Plastic Corner Guards are are crystal clear which makes them adaptable to any decor.