Business Source No. 9 Double Window Invoice Envelopes - Double Window - #9 - 8 7/8" Width x 3 7/8" Length - 24 lb - 500 / Box - White | Bundle of 10 Boxes

Security tint keeps information hidden from view for added privacy Transparent windows allow convenient use with printed labels Gummed flap creates secure seal to prevent peeling during delivery Perfect for sending checks, invoices, statements and more