500mm wide

A4/C4 209mm x 312mm Strong Heavy Duty Rigid Cardboard Envelope, Capacity Book Mailer, Peel & Seal, R Add to Cart

A6 Hard Back Envelopes 162 x 114mm A6 C6 Manilla Please Do Not Bend Envelope Add to Cart

34" x 42" Grey Postal Mail Bags, Self-Seal Closure Add to Cart

DL Printed Document Enclosed Wallets Printed Peel & Seal Clear Plastic Envelopes Add to Cart

13" x 19" Grey Postal Mail Bags, Self-Seal Closure Add to Cart