What’s The Best Way To Begin Using Pens As A Marketing Tool? There is no one best way to start with pens, and there’s a reason why pens remain an effective marketing tool: whatever medium you use (from postcards or flyers to cookies or T-shirts), it makes people happy. Pens make them even happier—there’s almost nothing more satisfying than finding a pen after you need one. Pen Box Manufacturers in Kolkata offer the different style of pens for your marketing.