#10 Envelopes, Letter Size, 4 - 18x 9 - 12 Security Printed Lining Privacy, Gummed Closure, Windowless, White All - Purpose Home Office Mail, 40 Count 75214

Each #10 envelope measures 4-1/8" x 9-1/2" mailing standard letter size documents. These envelopes feature a security lining to maintain privacy of documents. All-purpose 20 lb. white envelopes are home or office. 40 envelopes per box. SFI Certified Sourcing.