Quantum Storage Systems QSB104CL 4" Economy Shelf Bins, 17-7/8" x 6-5/8" x 4", Clear (Case of  20) Bins feature a molded-in label holder that allows bins to tilt out for complete access when on shelving A wide hopper front allows complete access to the contents of the bin Bins are impervious to most chemicals Edges are reinforced for added strength