The paper in this block from Clairefontaine is strong

Particularly suitable for storing paintings

but more delicate

Colour number: 235

permanent blue violet amsterdam akrylmaling Size:120ml The paper in this blockOur acrylics are skillfully made based on a 100% acrylic emulsion and high quality pigments. They are practically odourless and even in thick layers, the satin paint film remains flexible and prevents cracking. The creamy medium viscosity keeps the brush strokes and textures, but can also be used for easier smooth coverage. Permanent Blue Violet (568) is a semi transparent color with an excellent lightfastness (+++).