1)Size: Customized design 2) Color: pantone colors as well as the common 4 colors (CMYK) process 3) Material: white offset pap 1)Size: Customized design2) Color: pantone colors as well as the common 4 colors (CMYK) process3) Material: white offset paper, kraft paper, special paper4) Finishes: Foil, Holographic, Emboss5) With Window, peal and seal and gummed . Envelope holder