Limited Edition Ultrasonic Purple Das Boot
 
Includes
- 1 Die Free Co. Das Boot in Ultrasonic Purple
 
Using the most advanced dye techniques available:
Ultrasonic Coloring is the process of transducers converting electrical energy into high-frequency mechanical vibrations (sound waves), creating microscopic bubbles in the heated dye to penetrate polymer pores more deeply than any other method. 
 
*Coloring may vary per polymer composition