The box for formats up to A4 is made of 1.6 mm microwave cardboard (E-Wave) while the other sizes – up to A2 – feature 3 mm-microwave cardboards walls (B-Wave). All the boxes feature a dove-grey exterior, with the wave and the interior being coloured natural white.
- Acid free, age resistant archival cardboard
- Well suited for protecting valuable art treasures and documents
- Long-term protection from light, dust and atmospheric impact
- Available for formats from A4 up to A2
- Exterior colour dove-grey, interior colour natural white