The more popular material utilized are wooden, acrylic, glass, metal and also functioned iron racks. Each of these has very own benefits and drawbacks. Wooden, steel and functioned iron are usually much more resilient as well as hardy, having the ability to hold up against even more weight. Glass and acrylic are a lot more for holding little things like bathroom toiletries, cars and truck keys, publications or cd situations. The product chosen will rely on your purpose for the specific shelf. Also think about where you are going to put your shelf. It would be crazy to put a wood rack in the toilet, as it might splash and rot with time.