The Pritt roller is easy to use by pressing the roller briefly down in order to correct only one letter. The Pritt RefillFlex refillable correction roller allows you to easily correct text. The roller draws a neat, white linr with a width of 4.2mm. The white line is directly overwritable and the roller has an ergonomic design with a felxible tip and can be used from multiple angles. The Pritt correction roller is made from 50% recycled material.