Type of packaging and number in each package: 200 cosmetic leech threads Net weight: 0.4 to 1 gram Size of cosmetic leeches: 4 to 6 cm Uses: Beauty cases for skin, hair and face 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