Business Source #9 Double Wndw Envelopes 3-7/8 x 8-7/8 " White
Number 9 Envelopes Feature Security Tint And Double Windows And Are Compatible With Most Standard Letter-Size, Computer-Generated Invoices And Statements
1-3/16 In. X 3-1/2 In. Top Window Is Positioned 3/8 In. From Left And 2 In. From The Bottom Of The Envelope
Bottom Window (1 In. X 4 In.) Is 3/8 In. From The Bottom