How many pens are included in a pack and what is the color of the barrel?

There are 5 pens included in a pack, and the barrel color is white.

What are the features of the Pilot 31861 Acroball Ballpoint Pen?

The Pilot 31861 Acroball Ballpoint Pen features an innovative hybrid ink for smooth writing and fast drying. It is retractable, refillable, and has a unique, comfortably textured grip. The pen also has a tungsten carbide nib that is durable and a fine point size of 0.7 mm.