Introducing the MIXR from BRNR Lab! Designed for the heavy hitter in mind. This specially designed silicone holster enables 2 BRNR SEED batteries to be used at the same time to deliver massive hits! You can double the fun and flavor of your favorite strains or mix and match carts to create your own flavors and effects. Designed for the real world The MIXR is ultra durable and designed for heavy use. Made with eco-friendly, food-grade/food-safe silicone, the MIXR has an antimicrobial and antibacterial coating to help eliminate bacteria. Be the envy of every party with a MIXR but go easy as this baby is powerful! Includes: 1 Mixer+ 2 SEED Batteries Includes TWO BRNR Lab Seed Batteries, and BRNR Lab MIXR double barrel device, all in one combo bundle at reduced savings!