6x6 Bison® Spacerless Ceramic Tile - Matte White Finish Sublimation Ceramic Tile, Spacerless, 6.0625" x 6.0625"x.25". This tile is not glossy so its perfect for old pictures, then pop it into a nice frame or box. Production for this tile requires the use of a felt pad 1/2" thick a 1/8" green rubber pad, both at least an inch larger than the tile, sold separately. This tile does not have lugs.