The Kolma A4 ExtraSolid document envelope with window is a transparent, sturdy protective sleeve designed for A4-sized documents. It features a secure flap closure and a clear window for easy content identification without opening the envelope.
Transparent window allows quick content identification without opening the envelope
Sturdy PVC construction provides reliable protection against dust and moisture
A4 format fits standard document folders and filing systems
What makes the Kolma ExtraSolid stand out
The ExtraSolid line combines a robust PVC material with a practical transparent window design. The flap closure adds an extra layer of security compared to open-ended sleeves, making it suitable for documents that require repeated access and long-term protection.
Ideal for...
Office professionals, administrative staff, and anyone managing physical document archives. The A4 format and transparent window make it particularly well-suited for filing systems, binders, and document organizers where quick visual identification is essential.
Application of Kolma Document Envelope A4 ExtraSolid
Insert A4 documents through the open end and close the flap to secure the contents. Use the transparent window to label or identify the document type at a glance. Suitable for standard office filing, archival storage, and document transport within the workplace.
Kolma is a Swiss manufacturer specializing in office supplies and document management products. The brand focuses on durable, functional designs for everyday office use, with an emphasis on protective storage solutions such as document envelopes, sleeves, and covers. Kolma products are distributed through Swiss retail channels and are known for their practical, no-frills approach to office organization.
It is a protective transparent sleeve for A4-sized documents, featuring a flap closure and a window for easy content identification without opening the envelope.
The envelope is made of PVC, which provides a sturdy, durable, and transparent protective layer for the enclosed documents.
Yes, the transparent window allows the content of the envelope to be identified at a glance without opening the flap.
The envelope is sized for A4 documents (210 x 297 mm). The weight of the empty sleeve is 0.31 kg.
Yes, the sturdy PVC construction and flap closure allow the envelope to be opened and reused multiple times for document storage and transport.
Subscribe to the newsletter
New arrivals, promotions and exclusive offers — straight to your inbox.
Please complete your information below to login.
Sign In
Create New Account