Envelope 1) Various paper, art paper, coated paper available 2) Various sizes, shapes and colors are availabl Specification: Letter paper & Envelope1. 100% Manufactory.2. Good quality and best price.3. Prompt delivery.4. Perfect sale service.Details1. Size: A4, A5, A6, A7...Your sizes are available.2. MOQ: 5,000 pcs.3. Cover: paper board with 4c printing ,matt lamination. 4. Inner page: 2 sheets, ...