Quality ParkQUA67539, Reveal-n-Seal Double Window Envelopes, 500 / Box, White

Quality Park #8 5/8 Double-Window Security Envelopes, Self-Sealing, Tamper Evident, For Checks, Payroll, 24 lb White Wove, 3-5/8 x 8-5/8 Inches, 500/Box (QUA67539)

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

Quality Park #9 Security Envelopes, Double Window, Self Seal, Invoices/QuickBooks Statements, 3-7/8 x 8-7/8 Inches, 24 lb White, 500/Box (QUA24529)