The Colour-fast Marker Pens are perfect for the Seed labels. Made with permanent Ink you won't have to worry about your marks fading and getting your plants confused. Features: Black - permanent ink Twin Tip' with fine (0.8mm) and broad (1.5mm) nibs Specifications: Dimensions: H:14.5 x W:1.4 x D:1.0 cm Colour: Black Guarantee:1 year Material: Plastic Model Number: 8863009