QUS235CL REINFORCED WALLS ADD STRENGTH AND RIGIDITY AND WIDE TOP LEDGE PERMITS STABLE, HIGHER STACKING. MADE USING HEAVY DUTY, VIRGIN HIGH-DENSITY TRI-CLEAR POLYPROPYLENE THAT IS FDA COMPLIANT RESIN. PLASTIC STACKING BINS WITHSTAND FREEZERS AND AUTOCLAVES UP TO 250°F. FRONT, BACK AND SIDE GRIPS ALLOW EASY HANDLING. MOLDED-IN FULL-WIDTH REAR HANGER LIP ALLOWS BINS TO HANG FROM LOUVERED PANELS OR RAILS. ANTI-SLIDE STOP PREVENTS SHIFTING WHEN STACKED. SLOTTED LABEL HOLDERS ALLOW EASY IDENTIFICATION OF CONTENTS. SOLD IN CARTON QUANTITIES.