Hard Board Backed Envelopes Size C3 C4 C5 C6 For A3 A4 A5 A6 Best Quality Cheap
SIZE OPTIONS : A4 Board Backed Envelopes Are Available in various sizes, you can choose the perfect fit for your specific needs. 229 x 162 mm - ( C5 / A5 Size - 125 Envelopes / Box ). 324 x 229 mm - ( C4 / A4 Size - 125 Envelopes / Box ).