Bathtub is an equipment placed or installed permanently in the bathroom. Most modern bathtubs are made of acrylic or glass fibers, but some are made of steel coated with porcelain or wood. Ancient bathtub in the western world is usually made of steel or cast iron which is coated with porcelain. Until recently most of the bathtubs are made in the form of more or less square, but by acrylic forming techniques, the variations are even more diverse way. The color of the bathtub is usually white, but now other colors are common too. Here are the pictures of various kinds of bathroom appliances that are very good to complete the bathroom designs. The pictures also show the bathtub in some styles which can become your alternative to choose in completing the bathroom design you are building.