Helix Black Laundry Marker Pen - Dual ended pen with 2 tips – thick 3mm and fine 0.8mm. Permanent black ink that is fast drying, smudge proof and waterproof so won't stain around garments. Ideal for labelling school clothes and sports kit. * Dual ended permanent marker pen with 2 different sized writing tips. * Thick 3mm and Fine 0.8mm. * Permanent black ink that is fast drying. * Ink is smudge proof and waterproof so won't stain around garments. * Ideal for labelling school clothes and sports kit.