Fermentation has never been easier with this kit, which also features a bonus oxygen extractor to use during the later stages of ferment. It takes the guesswork out of how to ferment your favorite vegetables and comes with three wide mouth lids, three fermentation weights, and the oxygen extractor. These handy airlock tight lids will keep your ferments mold-free, plus an integrated date setter will help you keep track of when the ferment is almost complete. This kit also features a unique pie weight system to keep your veggies continuously submerged below the brine. It comes with a recipe book, too. Just make sure to get your own jars; this kit is compatible with brands like Paksh Novelty, Pakkon, Arkansas Glass, and more. This kit features four airlocks, four stainless steel lids, and 8 silicone grommets. It pairs perfectly with all wide-mouth Mason jars, and is made out of lead-free, food-grade glass and BPA-free plastic. It’s a great price and makes for a beautiful gift.