... the sea ii.rich in minerals,protein,vitamins iii.ocean scent iv.low in energy Grade A, B, ... , shape, texture, etc.as follows:grade A is dark green, both sides have a glossy shine, much more smooth ... , delicious tasty, no salt, no sandgrade C is green, have little wrinkles and dead spots, no impurities, ... no salt, no sandgrade D is green, have little shine, there are much serious wrinkles, ...