Attaching easily onto the front, back, and sides of your storage, our 1" high chrome wire shelf ledges quickly create a perimeter to keep items contained. Stops items from falling offwire shelves Sits inside of wire shelving unit's posts Durable chrome-plated steel construction Open design allows visibility of items Made for indoor use, dry storage only Can be set lengthwise, directly above truss on interior of shelf Product cannot be stacked. See our4"h Ledgesfor a larger height.