Practical set: the fermentation set consists of a 1 litre fermentation jar with lid, weighting weight, pestle and tongs 2-in-1 valve: the valve is suitable for the fermentation process when open and when closed for odourless storage in the fridge or shelf Easy to use: with the fermentation glass and the clever ferment vent system, fermenting vegetables is easy possible, whether sauerkraut, cucumbers or carrots Includes recipe booklet: the enclosed recipe book contains various inspirations and instructions for fermentation Easy care: thanks to the multi-function, transferring the vegetables is unnecessary. All components except the pestle can be cleaned quickly and easily in the dishwasher