No. 6 1/4 Envelopes (3 1/2 in x 6 in) - Commercial and Remittance Envelopes
Exploring No. 6 1/4 envelopes
Commercial #6-1/4 ENVELOPES, Dimensions: 3-1/2 in x 6 in. This size is a common remittance size envelope. (Have questions about envelope sizes, visit our
envelope help page)