Columbian #10 Security Tinted Envelopes, 4-1/8" x 9-1/2", White, 500 Per Box (CO128)
Columbian #10 Envelopes, Gummed Seal, Executive Business, 4-1/8 x 9-1/2 Inches, White, 500 Per Box (CO125)
500 Double window security envelope Peel & Seal compatible with quickbooks checks
LePage's Seal It #10 Security Envelope, 135 pack (GLD10406)
Columbian CO196 Gummed Seal Business Envelope, #10, 4 1/8 x 9 1/2, White (Box of 100)
Quality Park #10 Regular Business Envelope, Security Tinted, Redi-Strip Seal, White, 30 Envelopes (69112)
Quality Park #10 Security Tinted Envelopes with a Self-Seal, Windowless, 4-1/8 x 9-1/2 Inches, 500 Count (69122)