Print Custom 9 x 12 Envelopes From PrintMagic
Print 9”x12” Envelopes from PrintMagic and being the largest size of the 9×12 envelopes and is a perfect for sending multi-page documents like brochures and within the size 8.5” x 11” which also fits perfectly, catalogs, booklets, magazines and that too without folding them. They also come with the regular rectangular flap. If you want to customize the flap option, click here.