Columbian #10 Single-Window Security Envelopes, 4-1/8 x 9-1/2 Inch, Self Seal, White, for Mailing Invoices, Statements & Documents, 500/Box (COLO339)

Columbian #10 Single-Window Security Envelopes, 4-1/8 x 9-1/2 Inch, Self Seal, White, for Mailing Invoices, Statements & Documents, 500/Box (COLO339)

Columbian #10 single-window envelopes (4-1/8" x 9-1/2") have reliable security features and are the perfect fit for business statements and invoices; with peel and seal closure for fast & easy mailing Single window envelopes display the recipient’s address; precise measurements keep other sensitive information out of view; window: 1-1/8" x 4-1/2" — 7/8" from the left edge, 1/2" from the bottom Security-enhanced envelopes have 24 lb paper with tinted privacy pattern inside to mask fine details; your data is safe from prying eyes, even if held to light Release & Seal — peel the paper strip from these peel and seal envelope and press for a firm, sanitary closure; no moisture required! Stock up on boxes of this popular #10 envelope and stay ready for bulk mailings; get 500 single-window envelopes per box