Koh-I-Noor Polycolour Pencils - 12 Pack

Koh-I-Noor Polycolour Pencils - 12 Pack

The Koh-i-noor Polycolor Colored Pencils are an oil-based pencil

The special oils in the lead, along with other binders, allow for dense, thick strokes without having to apply significant amounts of pressure.  This is important since these are notorious for being quite fragile.