DONAU A4 Ring Binder 4 D-Rings 25mm Blue Polypropylene

Product

DONAU plastic ring binder in blue, designed for A4 documents. Features a robust anatomy with four D-shaped rings measuring 25 mm, ideal for school, office, or home organization.

Specifications

• Constructed from 2.4 mm thick cardboard with a density of 1400 g/m²
• Coated on both sides with eco-friendly polypropylene film
• Two exterior pockets for custom project covers
• Two inside pockets for notes or retrieval sheets
• One spine pocket for easy labeling
• Spine width: 44 mm
• Four D-rings with 80 mm spacing; ring diameter: 25 mm
• Blue color for distinct identification

Usage

Open the binder by releasing the central D-shaped ring mechanism, insert documents punched to the standard A4 4-hole format, and secure them for organized storage or transport. Exterior and interior pockets allow added customization and flexible sheet handling.

FAQ

1. What are the exact dimensions of this binder?
   The binder holds A4 documents, with a spine width of 44 mm and 25 mm ring diameter.

2. Is this binder suitable for frequent, long-term use?
   Yes, its 2.4 mm thick cardboard and double PP coating ensure extended durability under regular use.

3. How do I label the binder for quick identification?
   Simply place a customized label in the exterior spine pocket.

4. How many sheets can the rings hold?
   The 25 mm diameter D-rings typically accommodate up to 190–220 standard sheets, depending on paper thickness.

5. What is the benefit of two outside and two inside pockets?
   External pockets are ideal for personalized covers or indexing, while internal pockets store loose notes or additional materials.

mvm-dt-2025-07-20