A3/C3 || 321x467mm || AKAR Capacity Book Mailers Cardboard mailers Letter Envelopes A3 Cardboard envelopes Peel & Seal Postals Mailers for Royal Mail Medium Parcel Posting Card Envelopes (Pack of 10)
A5/C5 || 180x235mm || AKAR Manilla Capacity Book Mailers Cardboard mailers Letter Envelopes A5 Cardboard envelopes for Postals Mailers for Royal Mail Large Letter Posting Card Envelopes (Pack of 100)
Triplast C5 Tenvowrap Book Postal Wraps 406x302x(0-70) mm Strong Cardboard Mailers (Pack of 10)
Triplast C3 Tenvowrap Book Postal Wraps 280x205x(0-70) mm Strong Cardboard Mailers (Pack of 10)
Triplast C1 Tenvowrap Book Postal Wraps 216x151x(0-51) mm Strong Cardboard Mailers (Pack Of 10)
A4 Size Book Postal Wraps 325x250x80mm Strong Cardboard Mailers - Manilla Book Wrap Flute (Pack of 10)
