Published at Thursday, July 12th 2018, 10:20:20 AM by Deanne Ellis. Bathroom Shelves. Although shower shelves are available in different materials ranging from wood, metal to plastic, glass shelves could be an ideal choice to make your bathroom look less crowded and larger. In addition, glass shelves come at a reasonable price and also can be installed easily. Besides, glass shelves are also popular for being naturally corrosion resistant.