Steel .√ SATISFACTION - We hope you love this commercial wire shelving. However, if you are not satisfied with this wire shelving, please us. .√IMPRESSIVE STORAGE CAPACITY - With four tiers of shelves, this unit has a tremendous amount of space and shelves. It can provide a significant amount of additional storage space without taking up too much space. .√DURABLE AND STURDY - Constructed of heavy-duty steel wire, this shelf is durable and resists dirt accumulation and corrosion. Each shelf has a capacity of up to 250lbs when properly assembled and a maximum weight capacity of 1000lbs in total. .√ADJUSTABILITY - You can adjust the height of the storage shelves according to the size of your storage items and create a customized unit that suits your specific needs. Leveling feet allow the shelf to be placed on uneven ground for maximum stability. .√MULTIFUNCTIONALITY - This metal shelving unit can be used just about anywhere in the kitchen, bathroom, garage, outdoor shed and more. Perfect for storing tools, clothes, books and anything else taking up space in your home or office.