Quality Park #8 5/8 Double-Window Security Envelopes, 500/Box & #9 Security Envelopes, Self Seal, Invoices/QuickBooks Statements, 3-7/8 x 8-7/8"es, 24 lb White, 500/Box

• Product 1: FORMATTED FOR BUSINESS: Double-windows display sender & receiver addresses for QuickBooks checks and other payroll and accounts payable applications Product 1: SELF-SEALING, TAMPER-EVIDENT CLOSURE: Reveal-N-Seal envelopes have perforations along the flap to show evidence of tampering Product 1: ENHANCED PRIVACY: Security tint with complex pattern makes numbers and text difficult to read, even when held to light Product 1: DEPENDABLE PATENTED DESIGN: Unique flap folds up and into place for an aggressive seal that won't close prematurely Product 2: These boxes of 500 white #9 double window security envelopes (3 7/8 in x 8 7/8 in) protect your customers' sensitive data. a reflex blue pattern obscures the details of what's inside Product 2: Redi-Seal self seal mailing envelopes require no moisture. the unique double flap design allows you to simply raise the lower flap and press to seal Product 2: Double window envelopes show sender and receiver addresses. top window is 1 3/16" x 3 1/2". 3/8" from the left. 2" from the bottom. bottom window is 1" x 4". 3/8" from the left. 1/2" from the bottom Product 2: #9 Mailing envelopes measure 3 7/8 in (height) x 8 7/8 in (width) and are made of 24 lb white wove paper with professional side seams. #9 envelopes fit into #10 envelopes