STACKING BIN FEATURES REINFORCED WALLS ADD STRENGTH AND RIGIDITY AND WIDE TOP LEDGE PERMITS STABLE HIGHER STACKING. CONSTRUCTED OF WATER AND CORROSION PROOF POLYPROPYLENE THEY WITHSTAND FREEZERS AND AUTOCLAVES FROM -40 degreesF TO 250 degreesF. STORAGE BIN INCLUDES A FULL-WIDTH HANGER LIP FOR USE WITH LOUVERS BELOW. ANTI-SLIDE STOP PREVENTS SHIFTING WHEN STACKED. SLOTTED LABEL HOLDERS ALLOW EASY IDENTIFICATION OF CONTENTS. THIS BUNDLE OF STACKING BINS FEATURES 24 - GLOBAL INDUSTRIAL PLASTIC STACK & HANG BIN 5-1/2""W X 10-7/8""D X 5""H BLUE 24 - GLOBAL INDUSTRIAL PLASTIC STACK & HANG BIN 4-1/8""W X 5-3/8""D X 3""H BLUE