ALL-IN-ONE SYSTEM: It's kombucha made simple and complete! Just add a wide mouth mason jar, black tea and vinegar and you're a successful home fermenter!THE LID THAT MAKES ALL THE DIFFERENCE: No need to mess around with DIY kombucha brewing methods. The dishwasher-safe Kombucha Lid has a breathable screen and durable plastic screw band that creates a perfect environment for continuous fermentation.FOOLPROOF FERMENTATION: Simple step-by-step system with complete instructions. Making Delicious and nutritious kombucha at home is a piece of cake!ECONOMICAL PROBIOTICS/PROBIOTICS ON DEMAND: Probiotic drinks and supplements can be pricey and of questionable quality. We've made it simple to have a continuous supply of inexpensive high quality probiotic drink on hand. Keep your digestive system optimal with kombucha!CONTENTS: (1) SCOBY activation packet (dehydrated organic SCOBY, organic tea, and sugar), (1) Wide mouth brewing lid in red/gray, (1) Thermometer, plus directions on how to access the BONUS digital starter guide.FOOD & DISHWASHER SAFE: Materials include BPA and Phthalate-free plastic. Dishwasher safe.KIT FITS STANDARD WIDE MOUTH JARS: Designed for wide mouth mason/canning jars (Ball, Kerr, Bernardin, etc).