This ring binder is made of green ECOPHANT conservation cardboard. This paperboard is free of acids, lignin and elemental chlorine, with very low reducible sulfur content as required for the safe storage of photographic prints and negatives. It has 4 D-rings. Protects against light, dust and moisture. It has double walls on three sides of the base that give it greater rigidity, resistance and an additional layer of protection against fire and water. A label holder is provided and the box can be stored horizontally or vertically, with the pages hanging from the ring mechanism. Ring capacity 40 mm. Distance between rings (center) 80 mm.
Material: ECOPHANT conservation cardboard
Thickness: 1300 microns
Color: Green
Format: A4