Envelope design refers to the visual and functional elements that are incorporated into an envelope. Good envelope design ensures that the envelope is not only practical for sending contents securely but also visually appealing, professional.
 Designs can be customized 
Sizes:-
Standard Business Envelope -104 mm x 241 mm
A2 Envelope -111 mm x 146 mm
A6 Envelope -121 mm x 165 mm
#9 Envelope -98 mm x 226 mm
A4 Envelope -210 mm x 297 mm
Booklet -5" x 7" or 6" x 9"
Catalog Envelope -229 mm x 305 mm
Square Envelope -127 mm x 127 mm or 152 mm x 152 mm