When deciding on a tile for your shower walls, be sure to choose something that will stand up to constant steaming, splashing and scrubbing without showing wear. For this, you’ll want something non porous. Ceramic and porcelain tiles are good choices, because they are non porous and very durable. Porcelain is harder than ceramic stoneware, and is slightly more scratch resistant. If you’re worried about chips, look for a shower tile that uses a clay body in a similar color to the glaze. That way, if a chip does appear, it will be less noticeable.