Set of 3 - Le Parfait French Super Canning Jars With Bail Lid - 101 oz / 3 liters Le Parfait jars are French jars which have been designed specifically for canning and making preserves. Set of Three Super Canning Jars with Gaskets and Bail Lids - Sizes: 101 oz/3 liters. Le Parfait jars are useful for keeping nuts, grains, and other foods in an air tight environment. They are heavy, made from thick glass which can handle the heat of the canning process.