Our company is a professional manufacturer specialized in production of greeting cards, envelopes, albums, photo frames, paper bags, WordPad, puzzles, gift boxes and other kinds of paper products. Envelope 1) Size: Customized design 2) Color: pantone colors as well as the common 4 colors (CMYK) process 3) Material: white offset paper, kraft paper, special paper 4) Finishes: Foil, Holographic, Emboss 5) With Window, Peel & Seal. Our minimum order quantity is 5000pcs OEM are welcomed.