https://www.raittoplastic.com/products/cg-20-20-hard-pvc-corner-guard.html

PVC Decorative L Profile is highly useful to decorate corners and wall corners, which protects corners from impact while enhancing a space's interior design. It has multiple application, for example protecting edges of furniture boards, wooden wall panels, where surfaces are connected by right angle (90°). Thanks to same color on both sides, the corner may be used both as inwards or outwards corners. This hard pvc corner guard constructed of long-lasting and extruded plastic, attaching with small nails, staples, screws, or double-sided foam tape, excellent for finishing and many other applications in your home, office or commercial. There are more than 1000 colors in available, or customized with over 90% similarity, and with a minimum order of 5000 meters per color. Profile available in various sizes: 10*10mm, 10*20mm, 15*15mm, 25*25mm, 30*30mm, 40*40mm, 50*50mm, or other customized sizes.