Go Ferment! Wide Mouth Mason Jar Mold Free Anaerobic Fermenting Kit w/Recipe E-book (2 Pack, Grey) SAFE MATERIALS - FDA Approved & BPA-Free Materials to Ensure Highest Quality and Safety GREAT BEGINNER SET w/ RECIPE E-BOOK - This set is perfect for beginners to successfully start fermenting or pickling their own foods. You'll receive our Recipe E-Book with delicious recipes once you purchase our kit! ANAEROBIC FERMENTATION - Our kit releases carbon dioxide and keeps oxygen from coming in. This helps keep your vegetables mold-free and no need to burp them daily! GREAT FOR SMALL BATCHES - This kit is perfect for making a small batch of Cider, Mead, Beer, Wine, Fermented or Pickled Veggies and Fruit! Try different veggies, yeast strains, honey, grains, and grapes to try various flavors! MADE IN USA - All products in this kit are Made in the USA and Assembled by our small fermenting company in Boston, MA! Mason Jars are not included.