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Cardboard envelopes provide a secure and durable mailing solution for documents, certificates, photos, books, and other flat items that require extra protection. Made from rigid cardboard, these envelopes prevent bending and damage, ensuring the safe delivery of important materials. Their sturdy construction makes them ideal for business, e-commerce, and private use.
Equipped with a self-sealing adhesive strip, cardboard envelopes offer quick and tamper-proof closure without the need for additional tape. Available in various sizes and eco-friendly options, they provide a professional and reliable packaging choice for safe transit. Whether for corporate mailings, shipping important papers, or protecting fragile prints, our selection of cardboard envelopes guarantees a secure mailing experience. Browse now to find the right size and style for your needs!
