This slip line is made from 19 or 25 mm biothane. Mar standard silver hardware. 
The handle has a circumference of +/- 30 cm. 
 
In the box for your additional information you can leave which color you would like. You can choose the colors from the color book in the link below. You can have the outside and inside of the leash differ in color if you wish. Please clearly state which color is for which part of the collar if you want 2 colors.
Have fun together.