The MIR Alaska Interlocking 11.8" x 11.8" A popular tile type for interior design in residential and commercial settings is glass mosaic. The word "interlocking" implies that the tiles fit together smoothly and, when put in place, form a harmonious design. These kinds of glass mosaic tiles frequently give accent walls, kitchens, and bathrooms a hint of sophistication and modernism. They provide a wide range of design options because they are available in different hues, patterns, and finishes.