The New Goldfaber Aqua Dual Marker is the new sustainable marker! It's odorless and water-based dye ink offers all the attributes that a premium hobby artist marker should. Cap and barrel are made from 100% recycled plastic. Water-based dye 2 nibs: flexible, soft brush nib for painterly work. Metal-encased Fineliner (0.4mm) for outlines and details. Fully water soluble, Streak-free, Odorless, acid-free, PH neutral and does not bleed through paper with an antiroll cap. This package contains 1 ea of the following colors: 583 Burnt Sienna, 584 Purple, 607 Cadmium Yellow, 609 Dark Chrome Yellow, 621 Pale Geranium Lake, 622 Brilliant Red, 628 Light Purple Pink, 637 Blue Violet, 649 Azure Blue, 656 Light Cobalt Green, 671 Light Green, 699 Black. Conforms to ASTM D4236. Imported.