Front Window increase capacity of the container while maintaining visibility. Flaps can be opened for access to contents, eve when stacked!!. They are made of durable, transparent plastic, and are suitable for labeling and stock control indexing. Front Window increase capacity of the container while maintaining visibility. Flaps can be opened for access to contents, even when stacked!. They are made of durable transparent plastic and are suitable for labeling and stock control indexing. (SKU # LFFLAP.20122TR1)