The Louis Vuitton Speedy 18 Bandouliere in Damier Denim 3D Blue Denim is a stylish and versatile handbag that combines luxury with practicality. Here are the key features and dimensions of this product:

**Dimensions:**
- Length: 18 cm (7.1 inches)
- Height: 12 cm (4.7 inches)
- Width: 8 cm (3.1 inches)

**Key Features:**
- **Material:** Made from high-quality denim with a unique 3D Damier pattern, giving it a modern and fashionable look.
- **Design:** The Speedy 18 features a classic silhouette that is both chic and functional, perfect for everyday use or special occasions.
- **Strap:** Comes with a detachable and adjustable shoulder strap, allowing for versatile carrying options—either as a handbag or a crossbody bag.
- **Interior:** The interior is lined with textile and includes a pocket for organization.
- **Closing Mechanism:** The bag is secured with a top zip closure, ensuring your belongings are safe.

**Additional Notes:**
Please note that there can be slight differences in the actual dimensions and colors due to manufacturing variations. This bag is perfect for those who appreciate luxury and want a statement piece that is both stylish and functional.