25g by Topop.
China Grass is used in Indian and Asian cooking often as a vegetarian substitute to gelatine based jellying products. Also known as 'Falooda' 'Agar Agar' and 'Gulaman'.
China Grass originates from seaweed, it can be used in a similar way to animal based gelatine i.e add to water with flavouring, boil and set. but it has many other uses and recipes.