Quality Park No. 11 Brown Kraft Business Envelopes - Business - #11 - 4 1/2" Width x 10 3/8" Length - 28 lb - Gummed - Kraft - 500 / Box - Kraft

Manufactured from sturdy kraft stock, these No. 11 envelopes provide full security for bulky mail. Ideal for use when strength or confidentiality is desired. Also popular for in-office use. 28 lb. envelopes feature side-seam construction.