Uniball Air Roller Business Color 0.5mm

• Superior, smooth writing experience.
• Scratch-free writing with a smooth glide. 
• Variable line widths adjust to your writing style.
• Writes soft like a marker but durable like a roller ball. 
• Innovative Smart Tip technology writes at any angle. 
• Water proof & fade proof. 
• Ink color: Black ink. 
• Tip size: 0.5mm.
• Available in 3-barrel color: White Pink, White Blue& Yellow Gold.

Source of reference: https://www.mp-uni.com/my/product/uniball-air/