Set of 2 Fermentation Jars, 1L, glass. With the Kilner brand embossed in the front, these 2 jars provide the easy way to create smaller batches of your own delicious fermented foods. Dedicated to using sustainable and durable materials, Kilner• glass is 100% recyclable and is the safest and best option for storing food and drink. Set includes 2 x 1L jars, 2 x glass weights, 2 x stainless steel screw-top lids with silicone valves. Instructions and recipes included.