#10 Security Tinted Business Gummed Envelopes, Moisture Sealed, 4-1/8 X 9-1/2 In
From the Manufacturer.
#10 Business Letter Envelopes with Gummed Seal, No Tint, White, 500-Pack
No tint and windowless; for security tinted and/or window options, check out other Amazon Basics envelopes.