This wall tile is made of crystal glass and it has subway patterns. The backsplash tile is made up of individual 1'' x 2'' subway / brick style - perfect for interior design. The bathroom tile has iridescent finish which makes a little special feeling and the colors are burned onto the glass so that they won't fade, so this glass tile adds a premium feel to installations. This is not peel and stick, but high quality 8mm premium glass and must be installed using grout (recomended grout: 1/16 inches ). This glass decorative tile suitable for kitchen and bathroom, accent walls and trims, this glass subway tile is the one tile you need to make an awesome bathroom.