Come from the nature without pollution. No additive or preservative material. It is the natural healthy green food. It is healthy for you and your family! The chestnut variety has the following features: 1) Uniform moderate size 2) Smooth and bright surface 3) Good taste 4) Rich in fat, aminophenol and such minerals as calcium, selenium, iron, magnesium, etc. Specifications: 50g, 80g, 100g,120g,150g,200g