Clear Packing List Enclosed Envelope Plain Face Back Load 2.0 Mil Thick - 7" X 10" 1000 / Case Clear Packing List Envelopes feature a wide variety of standard sizes and styles. Clear Packing List Envelopes are High Quality Shipping Envelopes. Back Load Clear Packing List Envelopes allows easy opening of the bags. Clear Packing List Envelopes can be Use for variety of purposes. Great for storing the packing list right on the outside of the box.