SupremeX Double Stacked Window Envelopes - #9 - Open Side - 24lb White Wove - Security Artline - 3-7/8" x 8-7/8" - 500 Pack

This envelope is compatible with most standard 8.5 x 11 computer generated invoices and statements. It features clear poly windows for easy viewing of addresses and is security tinted for added privacy of contents inside.