CLEAR COVERS FOR ULTRA STACK AND HANG BINS PROVIDE HIGH VISIBILITY AND ACCESSIBILITY TO CONTENTS WHILE PROTECTING FROM DUST DIRT AND DEBRIS. INTEGRATED HINGE PINS ALLOW FOR EASY SNAP-IN INSTALLATION. CLEAR COVERS MAY BE USED IN CONJUNCTION WITH DIVIDERS. DURABLE DESIGN AND CONSTRUCTION ALONG WITH CRYSTAL CLEAR MATERIAL KEEPS CONTENTS INSIDE BINS HIGHLY VISIBLE AND ACCESSIBLE.