The Matador i-teen Water Gel pen is a separate variant from the standard i-teen ball pen, designed for a vivid, smooth gel ink experience. 

• Pen Type: Gel Pen. 

• Ink Type: Japanese Waterproof Gel Ink (Water-based ink). 

• Ink Color: Blue. 

• Tip Size: Most commonly 0.6 mm (fine point) for smooth and precise lines. Some variants are listed as 0.7 mm. 

• Tip Material: SS (Stainless Steel) Tip with a Tungsten Carbide (TC) ball. 

• Writing Experience: Smooth, vivid, and often quick-drying. 

• Body: Features attractive body colors, often with an ergonomic or comfortable grip.