Keep prying eyes off your important documents with this No. 10 security envelope with a security tint. The printed lining for privacy is ideal for sending confidential mail. Diagonal flap is fully gummed for secure seal. Each envelope is 20 lb. ? Ideal for keeping prying eyes off your important documents. ? Traditional gummed-adhesive V-flap closure. ? Weight: 20 lb. ? Envelope type: #10. ? Security-tinted business-weight paper. ? Tastefully attractive smooth finish. ? Offers security lining for privacy. ? Color: white. ? 40 envelopes per box. ? SOLD AS 40/Box.