{"product_id":"security-envelope-anti-opening-self-adhesive-confidential-blue-envelope-105-x-240mm-size-packaging-for-mailing-important-confidential-letters-and-documents","title":"Security envelope anti-opening self-adhesive confidential blue envelope 105 x 240mm size packaging for mailing important confidential letters and documents","description":"\u003ch1\u003eBlue Anti-Opening Security Envelope 105 x 240mm with Self-Adhesive Closure for Confidential Documents\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Blue anti-opening security envelope with self-adhesive closure measuring 105x240mm\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/624\/2025-09-28\/original-image\/2401130309360329900.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis blue security envelope offers a practical solution for anyone needing to send confidential letters, legal documents, or sensitive information through the post. Its tamper-evident anti-opening design provides visual confirmation if someone has attempted to access the contents without authorisation. Measuring 105 x 240mm, this standard-sized envelope accommodates most A4 documents folded in thirds or smaller papers without requiring additional folding. The self-adhesive closure allows for quick sealing without the need for moisture, making it convenient for office use or personal mailing needs where security is a priority for important correspondence.\u003c\/p\u003e\n\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Blue anti-opening security envelope with self-adhesive closure measuring 105x240mm\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/624\/2025-09-28\/original-image\/2401130309370321400.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis security envelope combines practical mailing functionality with basic document protection features. The construction focuses on providing tamper evidence rather than complex security mechanisms, making it suitable for general confidential mailing where you need indication of attempted access.\u003c\/p\u003e\n\u003ch3\u003eMaterial and Build\u003c\/h3\u003e\n\u003cp\u003eThe envelope is constructed from 80g envelope cartridge material, which provides standard durability for postal handling while maintaining a professional appearance. This paper weight offers sufficient protection against tearing during normal postal transit while remaining lightweight to avoid excessive postage costs. The blue colour provides immediate visual identification that distinguishes these security envelopes from standard white mailing envelopes, helping users quickly identify confidential correspondence in their filing systems or mail sorting areas.\u003c\/p\u003e\n\u003ch3\u003eSize and Practical Fit\u003c\/h3\u003e\n\u003cp\u003eWith dimensions of 105 x 240mm, this envelope accommodates standard A4 documents folded into thirds, legal correspondence, invoices, certificates, and other important papers. This size represents a common mailing dimension that fits most document types without excessive folding that might damage contents. The 105mm width allows sufficient space for addresses and postage labels while maintaining a compact form that fits standard filing systems and post boxes. The specific security mechanism design details are not provided beyond the tamper-evident feature mentioned in the product title.\u003c\/p\u003e\n\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Blue anti-opening security envelope with self-adhesive closure measuring 105x240mm\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/624\/2025-09-28\/original-image\/2401130309370328500.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis security envelope serves multiple applications where document confidentiality during transit is important. Its tamper-evident feature makes it suitable for various professional and personal mailing scenarios where you need assurance that contents haven't been accessed during delivery.\u003c\/p\u003e\n\u003ch3\u003eEvent or Professional Use\u003c\/h3\u003e\n\u003cp\u003eIn professional settings, these envelopes are ideal for sending confidential business documents, legal correspondence, contract copies, financial information, or personnel records. Law firms, accounting practices, human resources departments, and government offices can use them for mailing sensitive materials where proof of non-tampering provides additional assurance. The blue colour allows for colour-coding different types of confidential documents within an organisation's mailing system, helping staff quickly identify security-classified correspondence without needing to read labels.\u003c\/p\u003e\n\u003ch3\u003eEveryday Home Use\u003c\/h3\u003e\n\u003cp\u003eFor personal use, these envelopes work well for sending important personal documents like passport copies, birth certificates, financial statements, or medical records through the post. Individuals handling estate matters, applying for official documents, or submitting sensitive paperwork to government agencies can benefit from the tamper-evident feature. The self-adhesive closure eliminates the need for licking envelopes or using separate glue, making it more hygienic and convenient for home users who occasionally need to send confidential materials.\u003c\/p\u003e\n\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Blue anti-opening security envelope with self-adhesive closure measuring 105x240mm\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/624\/2025-09-28\/original-image\/2401130309370329700.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis security envelope offers practical advantages for anyone needing to mail confidential materials without investing in expensive security solutions. The combination of tamper evidence, standard sizing, and convenient closure provides value through both security features and usability.\u003c\/p\u003e\n\u003ch3\u003eReuse and Low Maintenance\u003c\/h3\u003e\n\u003cp\u003eThe envelope requires no special maintenance or storage considerations beyond keeping it in a dry environment to preserve the self-adhesive strip's effectiveness. Unlike security envelopes with complex locking mechanisms, this tamper-evident design doesn't require special training or tools to use properly. The simplicity of the design means there are fewer components that could fail or require replacement, making it a straightforward security solution for regular mailing needs without complicated procedures.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose This Product\u003c\/h3\u003e\n\u003cp\u003eThis security envelope provides a balance between basic document protection and practical mailing functionality. The tamper-evident feature offers peace of mind when sending important materials, while the standard 105 x 240mm size ensures compatibility with most documents and postal systems. The self-adhesive closure saves time compared to traditional envelope sealing methods, and the blue colour provides immediate visual identification of confidential mail. For users needing indication of attempted access to mailed documents without complex security systems, this envelope offers a practical, straightforward solution.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Blue anti-opening security envelope with self-adhesive closure measuring 105x240mm\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/624\/2025-09-28\/original-image\/38940216-07c3-4299-bde7-4d1629a3a4b1.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Blue anti-opening security envelope with self-adhesive closure measuring 105x240mm\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/624\/2025-09-28\/original-image\/3faaa4d6-466b-4ac8-8448-4286ac209cec.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Blue anti-opening security envelope with self-adhesive closure measuring 105x240mm\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/624\/2025-09-28\/original-image\/629a37a5-88a9-4dde-aa3b-b03f0a1b32e1.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Blue anti-opening security envelope with self-adhesive closure measuring 105x240mm\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/624\/2025-09-28\/original-image\/d33f04ac-c984-4e80-b4b4-183a376edb96.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Blue anti-opening security envelope with self-adhesive closure measuring 105x240mm\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/624\/2025-09-28\/original-image\/da9930d6-b812-4773-a380-a28b3e72d407.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Blue anti-opening security envelope with self-adhesive closure measuring 105x240mm\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/624\/2025-09-28\/original-image\/de6f6640-7aa1-4a04-b0ca-3d168e9dbad9.webp\"\u003e\u003c\/div\u003e","brand":"wxs98x-wy","offers":[{"title":"Blue \/ 105x240mm","offer_id":57146054934905,"sku":"CJYD194695401AZ","price":10.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/6054\/6937\/files\/d33f04ac-c984-4e80-b4b4-183a376edb96.webp?v=1777184821","url":"https:\/\/wxs98x-wy.myshopify.com\/products\/security-envelope-anti-opening-self-adhesive-confidential-blue-envelope-105-x-240mm-size-packaging-for-mailing-important-confidential-letters-and-documents","provider":"CoreStaple","version":"1.0","type":"link"}