Search by Manufacturer Part Number, or Manufacturer Name, or Product Description Items In Cart: Subtotal: Paper, Envelopes & Mailers > Envelopes > Security / Confidential Envelopes Envelopes, QUA CO284 Columbian #10 Self-Seal Business Envelope QUACO284 Columbian #10 Self-Seal Business Envelope Compare Business envelope with a self-adhesive double flap. Double flap. White wove finish. Quantity in Stock: Product Code: QUACO284 Related Products... Envelopes, QUA 21438 Quality Park Security Tinted Insurance Claim Form Envelope QUA21438 Compare Envelopes, QUA 90019 Quality Park Tinted Antimicrobial Envelope QUA90019 Compare Envelopes, QUA 69122 Quality Park Redi-Strip Envelope QUA69122 Compare Description Extended Information Dual flap provides added security. White wove finish delivers a professional look and feel. Envelope Size: 4 1/8 x 9 1/2; Envelope/Mailer Type: Business/Trade; Closure: Self-Adhesive; Trade Size: #10. Columbian #10 Self-Seal Business Envelope