CAPACITY BOOK MAILER - C3 C4 C5 SIZES - ALL BOARD PEEL SEAL MAILER Strong Sturdy
334 x 234 mm - ( C4 / A4 Size ). 235 x 180 mm - ( C5 / A5 Size ). 467 x 321 mm - ( C3 / A3 Size ). 321 x 467 mm - C3. Board Backed Envelopes. All Board Envelopes. Available Sizes. Double Wall Boxes.