Faber-Castell's Goldfaber watercolour pencils feature a highly-pigmented 3.3mm water-soluble lead for soft yet intense color laydown. They can be used dry or with water and a paintbrush. These pencils offer impressive lightfastness and are made with wood from sustainably-managed forests, protected by an eco-friendly water-based varnish. The lead is break-resistant due to Faber-Castell's SV bonding process. Faber-Castell is a globally renowned brand, a leading manufacturer of high-quality art materials, trusted by artists for centuries, whether professional or hobbyist. The high break-resistant leads are fully water-soluble and offer excellent lightfastness, impressing on any artworks produced using them. These 3.3mm pencil leads can be sharpened with all normal pencil sharpeners, providing soft and vibrant color laydown.