Seaweed powder is classified by particle size:

6 mesh (3 mm- 5 mm)
10 mesh (2mm)
20 mesh (1mm)
40 mesh (0.42mm)”

Food name: Powdered Seaweed
Net content: 100g
Ingredients: Qinghai moss
Production date: See seal
Shelf life: 12 months
Storage conditions: Sealed and stored in a cool and dry place