Mead 10 Security Envelopes 4 18 x 9 12 White 40 Count Envelopes

• #10 size envelopes measure 4 1/8" x 9 1/2" for mailing standard letter size documents"
• Security lining to maintain privacy of documents
• Mead all-purpose 20 lb. white envelopes are perfect for home or the office
• 40 envelopes per box