#8 Double Window Security Check Envelopes, No.8 Double Window Bussiness Envelopes Designed for QuickBooks Checks - Computer Printed Checks - 3 5/8 X 8 11/16 (NOT for INVOICES) - 24 LB - 500 Count

#8 Double Window Security Check Envelopes, No.8 Double Window Bussiness Envelopes Designed for QuickBooks Checks - Computer Printed Checks - 3 5/8 X 8 11/16 (NOT for INVOICES) - 24 LB - 500 PACK

Amazon Basics Multipurpose Copy Printer Paper, 8.5" x 11", 20 lb, 8 Reams, 4000 Sheets, 92 Bright, White

Amazon Basics #10 Security-Tinted Self-Seal Business Letter Envelopes, Peel & Seal Closure - 500-Pack, White