Feature: all-natural, no chemicals, no preservatives, Non-Gmo, Gluten_free, etc. Moisture: 13% max Impurities: 1% max Type: whole, grind, powder,.. Size: 20cm up Color: Natural purple or brown. Quality: As an export standard, Shelf life : 12 months Use: food, fertilizer, extra agar,... Packing: 25 Kgs/Bag in bulk or as customer's requests