Picklemeister Fermentation, Sauerkraut And Pickle Fermenting Jar Regular Mouth Mason Jar Kit Only Made in the USA, to fit a standard mouth mason jar Food Grade and BPA free, grommet made of durable silicone, not rubber Comes with color instructions & recipes Great for making lactic acid fermented vegetables, pickles and Sauerkraut Please note this is the kit only, it include everything you need but the jar