Envelope sleeves Office Products Foliopak 450×550×50 mm, 100 pcs, white

Office Products Foliopak envelope sleeves, size 450×550×50 mm, pack of 100 in white are open-top protective sleeves designed to store and transport flat documents, prints and other thin materials up to the stated dimensions. The rectangular sleeve format provides full face protection while leaving the top edge open for quick insertion and removal. These sleeves are produced for general office, archival and mailing uses where document protection from dust, light handling and minor moisture is required.

Advantages

These envelope sleeves offer consistent dimensional sizing and a white finish that gives a neutral appearance for filing and mailing. The open-top design speeds up processing when inserting or extracting documents. A pack of 100 provides a predictable supply level for administrative and archival workflows, reducing the need for frequent reorders. Materials are chosen to balance flexibility with enough stiffness to protect edges during handling and transport.

Suitable for

• Office filing and storage of documents, brochures and single-sheet prints
• Mailing protection for flat items sent by post or courier
• Archival storage for non-delicate prints and paperwork
• Temporary protection during copying, lamination or internal transport

Key specifications

• Outer dimensions: approximately 450 × 550 × 50 mm
• Pack quantity: 100 pieces
• Form: open-top rectangular envelope sleeve
• Color: white
• Suitable for flat paper, prints and thin materials up to the sleeve dimensions

How to use

Insert flat documents or prints into the sleeve through the open top, ensuring the item lies flat and aligned with the sleeve edges. For mailing, place the sleeved item into an outer mailing envelope or rigid mailer to provide additional protection against bending. When stacking sleeved items for storage, avoid overloading shelves and keep the stack upright to maintain shape. Inspect sleeves for damage before use to ensure ongoing protection.

Usage recommendations

Store the unused sleeves flat in a dry, room-temperature environment away from direct sunlight to preserve color and material properties. For archival or long-term storage, combine the sleeves with appropriate acid-free supports and avoid contact with high humidity or heat sources.