Use this Whitmor Wide Chrome Stacking Shelf is made of sturdy durable chromed steel. This model supports 200 pounds when evenly distributed. Cleaning is simple with a damp cloth. Assembly is very easy and can be done without tools. For adult use. Whitmor s promise is that we stand behind our product 100%. Customer service is available in English and Spanish Monday through Friday from 8 a.m. - 4:30 p.m. CST. Call us and we will gladly assist you in your language. You may contact Whitmor at 1-888-944-8667 or via email at help@whitmor.com.