Staedtler Lumocolor Permanent Marker Set of 4

Permanent waterproof quick drying ink Writes on most surfaces Cap can be left off for up to 14 days without ink drying out. Excellent smudge-proof and waterproof qualities on almost all surfaces. Dries in seconds, therefore ideal for left-handed users Colour-intensive, low-odour. Lightfast (black and green for over 10 years on paper) Black and green are weatherproof.