Our heavy duty stainless steel mosaic tiles are made with a heavy porcelain base, double A grade stainless steel with a mesh backing for easy installation. These stainless steel tiles are great for vertical surfaces such as a backsplash for a stove top in the kitchen. Unsanded grout is required for the installation for stainless steel tiles. Stainless steel 2x2 are sold in square foot mesh mounted sheets with 6 tiles across the top and side.