This 8-tier 24-bin rack features heavy-duty constructed and 36"" x 14"" steel wire shelves. This patented design Us Pat. 7,325,697 features 24 high-impact polypropylene Hipp bins 6 Xl, 15 large, 12 medium, 10 bin dividers, 3"" rubber wheels and 24 bin labels. Nsf certified for commercial use.