Evour, A4 / C4 Self Seal White Pocket Envelopes, Letter Envelopes, Ideal for Everyday Home, Office & Commercial Use, 229 x 324 mm 100 GMS, No Window Envelopes Mail Posting Supplies, (100) :
Envelope Sizes - B4, B6, C5, C4, DL & more all envelope sizes!
Envelope Size Guide - Envelopes Sizes - Standard Envelope Sizes