These 4 1/2" x 5 1/2" Orange Invoice Enclosed Envelopes secure and protect documents that are attached to the outside. They are pre-printed with "Invoice Enclosed" on heavy 2 Mil poly. Priced and sold 1000 envelopes per case.

These 4 1/2" x 6" Orange Invoice Enclosed Envelopes protect documents that are attached to the outside of shipments. Priced and sold 1000 invoice enclosed envelopes per case.

 7" x 5 1/2" Orange Invoice Enclosed Envelopes secure and protect documents that are attached to the outside.

These 4 1/2" x 5 1/2" Orange Packing List / Invoice Enclosed Envelopes secure and protect documents that are attached to the outside. Priced and sold in cases of 1,000 packing list envelopes.

These 4 1/2" x 6" Red Important Invoice and / or Packing List Enclosed Envelopes protect documents that are attached to the outside of shipments. Priced and sold 1000 packing list envelopes per case.

 7" x 10" Orange Packing List / Invoice Enclosed Envelopes 2 Mil poly envelopes to attach packing lists and/or invoices to the outside.

These 4 1/2" x 6" Red Invoice Enclosed Envelopes hot melt adhesive backing provides strong adhesion to paper. Pre-printed with "Invoice Enclosed" on heavy 2 Mil poly. Priced and sold 1000 envelopes per case.

These 4 1/2" x 5 1/2" Orange Packing List / Invoice Enclosed Envelopes pressure sensitive packing list envelopes secure and protect documents. Priced and sold in cases of 1,000 packing list envelopes.

These 4 1/2" x 6" Red Invoice Enclosed Envelopes are pre-printed with Invoice Enclosed on heavy 2 Mil poly. The hot melt adhesive backing provides strong adhesion. Priced and sold 1000 envelopes per case.

 7" x 5" Clear Face Invoice Enclosed Envelopes open along the first dimension, 1000 per case.