[Super Soft Non- Grip]The handle provides a super soft and comfortable touch, making each pen easy to hold. Replaceable : Just press the into the pen, when you hear a click, the has been inserted successfully. 0.38mm Nib: The slimmer nib makes it easier to control the nib while writing. Easy to use, 't worry about the spring breaking. Writing: and durable refillable ink dries quickly, not easy to smudge and vibrant colors. Perfect for daily writing, note-taking, lectures, office, school, etc. Color: As Shown Material: ABS+titanium nib Package Contents: 4 x Sponge pen 30 x replacement ink sac Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.