Poly Ball Urban biros feature an ergonomic triangular shape with a non-slip surface and an extra wide XB refill. The writing fluid is indelible, and the ink color is blue. The refill is a large capacity type with a line width of 0.6 and is replaceable. The pen has a push mechanism for feeding. The barrel is made of plastic and is black, while the grip zone has a round design. The clip is made of metal and is also black. The product is packaged in a blister card and includes a ballpoint pen along with matching colored pencils.