C4 Size 324 x 229 mm Manilla Commercial Envelopes Plain (NO WINDOW) - 90gsm - Pack of 125
JAM Paper #12 Business Commercial Envelopes 4 3/4" x 11" White 45195I | eBay
C5 Size 162 x 229 mm White Commercial Envelopes (WITH WINDOW) - 90gsm - Pack of 125
Paper Envelopes, White Paper, Standardized Commercial Envelope 120 x 176 mm, Paper Envelope with Silicone Strip for Invitations, Shipping or Storage · m-office (250 pcs, 4.724 x 6.99 inches) 29 in) :
Order Custom Printed Envelopes at America's Printer