Type of packaging and number in each package: 200 threads of productive leech Net weight: 3 to 10 grams Productive leech size: 10 to 15 cm Uses: Leech reproduction – leech treatment of obesity Storage conditions: in water and at a suitable temperature of 18-20 degrees Expiration date: They will survive for 2 to 3 months if the storage conditions are observed Origin: Herodotus Orientalis and Herodotus Medicinalis