Complete confidentiality
The windowless design keeps the contents fully private, so sensitive documents stay hidden from view.
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Why customers love it
Private, secure mailing in seconds
These windowless white envelopes keep documents confidential while their self-sealing strip makes closure quick and mess-free. Ideal for invoices, bills, and official correspondence.
- Windowless design ensures complete confidentiality
- Self-sealing adhesive strip for quick, secure closure
- Standard size fits folded A4 paper, bills, and invoices
- Made from durable, tear-resistant paper for safe mailing
- Clean, professional appearance suitable for office and postal use
Why you'll appreciate these envelopes
Quick, secure closure
The self-sealing adhesive strip closes firmly without tape or moisture, saving time on every mailing.
Fits standard documents
The standard size holds folded A4 paper, bills, and invoices, making it a versatile choice for daily office tasks.
Safe in transit
Made from durable, tear-resistant paper, these envelopes protect their contents during mailing and handling.
Specs
The details that matter
- Product Type
- Windowless Business Envelope, Self Sealing, Secure White Envelope
- Size
- Holds A4 Paper
- Quantity
- 10, 20, 30, 50, 100 pieces
- Material
- Paper
- Color
- White
More details
These windowless white envelopes provide a clean, professional look while keeping your documents private and secure. Featuring a self-sealing closure, they streamline your mailing and filing tasks without the need for tape or moisture.
- Solid white, windowless design ensures complete confidentiality
- Self-sealing adhesive strip for quick, secure closure
- Standard size fits folded A4 paper, bills, and invoices
- Made from durable, tear-resistant paper for safe mailing
- Ideal for business correspondence, invoices, and official documents
- Clean, professional appearance suitable for office and postal use
Perfect for daily office mailing, sending invoices, or organizing financial documents securely.
Frequently asked questions
Everything you might want to know before you order.
How do delivery and returns work?
Shipping
Free standard shipping
To United States: 1–3 business days processing, then 7–15 business days in transit. Estimates, not guaranteed dates.
Your dispatch email includes a tracking link. Contact us if it has not arrived within 5 business days of ordering.
Outside the EU, import duties and local taxes may be payable on delivery. See the shipping policy for supported destinations and conditions.
Returns
Request a return within 14 days of delivery. Standard eligible returns must meet the policy conditions; a €4 prepaid-label fee is deducted from the refund. Return shipping is free for faulty, damaged or incorrect items. Contact us promptly if something is wrong. Your mandatory consumer rights are unaffected.
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