From Puffco:

"The travel pack is the perfect companion for the dabber on the move. The pack includes: 

- Oculus Carb Cap that provides a window into your dab experience.
- Backpack to store your dual tools.
- Mouthpiece that makes for a more comfortable head position while hitting.
- Chamber Jacket & Tether to keep your Oculus carb cap locked in place.
- Chamber Jacket for using a different carb cap.

100% Silicone
FDA approved material
Dishwasher safe
*Peak Not Included"