Price is per 10cm. For instance if you need 1 metre purchase 10 units.
 
The tubing used is a specially selected PTFE fluoropolymer that has superior properties for use in a bowden system (Such as higher Youngs-modulus for less stretching in tension).
Orders will be fullfilled in a single length of tubing where possible. 
ID: 2mm
OD: 4mm