Cute design, healing stationery Simple non-printing style: the pen body is made of frosted texture shell, with macaron colour, value and practicality at the same time. Compact and portable: the pen is 14cm long and can easily fit into a pen pouch, pocket or desk organiser, so it doesn't take up much space on the go. Dual nib sizes to meet various needs 0.38mm ultra-fine nib: Suitable for fine writing, notes and annotations, handbook decoration, thin and smooth lines. 0.5mm classic nib: for daily writing, signing, answering questions in exams, the ink is even and not easy to break. 5 pcs in a box: black/red/blue classic colours + 2 free matching colours to meet the needs of classification marking. Oil-based quick-drying, goodbye to dirty hands Quick-drying ink: 3 seconds after writing, avoid rubbing the handwriting, suitable for left-handed people or fast writing scenes. Waterproof and anti-smudge: oil-based ink is water and light resistant, notes are kept for a long time without fading, suitable for students' classroom notes and office documents archiving. Cost-effective, durable and hassle-free Large-capacity ink cartridge: a single one can write about 800 metres, the durability far exceeds that of ordinary unisex pens. Push button design: one key to dispense the ink cartridge, no need to pull out the cap, avoiding the worry of losing the cap, more convenient to use.