Power 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