Recessed Tile Edge LED tile trim Channel with flange , which can be trimless recessed for 10mm marble or tile on the wall or floor, the Profiles will protect the LED Strips from being damaged and acts as a heat sink to prolong the life of the LEDs, the frosted cover will help diffuse the light. made of 6063-T5 aluminum alloy material and with the anodized silver surface treatment for the better anti-oxygen feature and a longer lifespan.