: This is not a standard paper size. It may refer to a specific brand of 3-zip binder , portfolio, or a specialized legal/proper paper storage solution used in professional or academic settings.
: In many professional and academic contexts, "proper paper" refers to high-quality document paper (like bond paper) or specific official formats (like legal-sized paper for documentation). Mallu with big _and _ 3zip
If this is a specific requirement for a project, legal filing, or organizational system, you may want to verify if it refers to a particular brand of executive organizer or a specific academic standard for submitting papers. : This is not a standard paper size
: This likely describes the physical capacity or dimensions of the storage item (e.g., a "big and wide" 3-zip binder) designed to hold "proper" or official documents. If this is a specific requirement for a