Compared with traditional single-headed highlighters, dual-headed highlighters offer several significant advantages in design and functionality, which make dual-headed highlighters more efficient and flexible in a variety of scenarios such as study, work, and note organization. Double-ended highligh...

The ink used in gel pens is a specially formulated water-based pigment ink, and its viscosity is precisely controlled within a range that is neither too thin nor too thick. This ink can flow out quickly and evenly when writing, and it is neither too thin to be difficult to control nor too thick to i...

The water-based ink of a Marker Pen is mainly composed of water, pigments or dyes, surfactants, moisturizers, etc. These ingredients make water-based ink soluble in water, environmentally friendly, and easy to clean. Water-based ink usually has a lower viscosity and better fluidity, which allows it ...

The materials used to make Pencil Lead Case are carefully selected to ensure that they have good moisture resistance. Plastic materials are widely used because of their waterproof and corrosion-resistant properties; metal materials such as stainless steel or aluminum alloys, although slightly more e...