| Shape | Elliptical, oblong or lanceolate |
| Length | 2.5 - 8 cm |
| Width | 1.6 - 2.5 cm |
| Thickness | 0.15 - 0.35 mm |
| Color | Dark green when fresh, olive green when dried |
| Texture | Smooth and leathery |
| Aroma | Aromatic, spicy, slightly bitter |
| Taste | Slightly bitter, astringent |
| Storage | Keep in an airtight container in a cool, dark place |
| Shelf life | 1-2 years when stored properly |