All 76 colors are certified under the ASTM D-6901 lightfastness standard

A 48-pack with Stylefile Marker Classic in selected colours

Nickel Titanium Yellow

as well as non-porous surfaces including glass

and raw canvas without fading or chalking

leuchtturm1917 notebook b5 soft cover squared Chrome Season All 76 colors are certifiedA precise 5 x 5 mm graph grid notebook in a classic matte black softcover the B5 format at 178 x 254 mm gives technical thinkers, data loggers, and business professionals significantly more drafting space than A5 without the bulk of a full A4. Flexible water resistant cover, thread bound flat lay construction, 80 g m ink proof acid free paper, 123 numbered pages. Format: B5 (178 x 254 mm) 123 pages 5 x 5 mm squared grid 80 g m ink proof Includes: