The 3branch magbrowz is a great way to increase circulation by converting your collections to a face-out system using your existing shelving. The face-out system makes is easy for patrons to flip through the collection. Interior support treads help keep materials upright while handle ports on each side make for easy transportation. The bins are constructed of 1/2 in. crystal clear, cast acrylic for durability and stunning visual display. The polished edges and rounded corners prevent cuts and contribute to the stylish look of the units. Anti-slip rubber feet keep the units from sliding around on the shelf. The units are Made and Patented in the USA.