Features: Experience stress easy writing with these 4 pack erasable gel pens featuring unique friction inks technology for easy error correction and gradient color sponge grips that secure comfortable, fatigue resistant handling during extended use. The 0.5mm accuracy tip delivers clean lines for detailed work, while the push button mechanism enables quick deployment, making these pens ideal for classroom efficiency and artistic projects. Designed for school aged children and hobbyists seeking ergonomic tools, these pens help develop proper writing techniques through their lightweight construction and slip resistant textured barrels. Ideal for math homework corrections, journal customization, or colorful mind map event, these versatile pens change smoothly between academic tasks and creative explorations. Combining fade resistant inks with shock absorbing sponge sleeves, this set enhances writing persistence during exam while adding playful styles to pencil cases and desk organizers. Specifications: Component : plastic+sponge Length: about 135mm/5.3inch Width: about 65mm/2.6inch Package Includes: 4 set Gel Pens note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.