Check the listing for details. 4.5" x 5.5" Plain Face No Print Packing List Envelopes Back Load, 1000 Pieces. Color: Clear, Condition: New. Listed at 25.00 USD. This pack of 1000 plain face no print packing list envelopes from Coastwide is perfect for all your packing and shipping needs. Measuring 4.5" x 5.5" and made of clear plastic, these envelopes are ideal for securely enclosing packing slips, invoices, and other important documents. The back load design makes it easy to insert and retrieve documents, while the sturdy construction ensures that your documents stay safe during transit. With no print or markings, these envelopes are versatile and can be used for a variety of purposes, including in warehouses, offices, and retail stores. Whether you're sending out a single package or shipping large quantities, these packing list envelopes are an essential item for any business.