Saint Laurent Niki Messenger Bag is a vintage‑inspired grained‑leather crossbody designed for everyday wear. It combines a magnetic flap and adjustable strap with organized internal pockets for practical, refined carry. Key attributes: Black | Calfskin leather | Adjustable shoulder strap | Magnetic flap closure | Multiple internal pockets | External slip pocket under flap | Vintage‑effect grained (hammered) leather | Tone‑on‑tone Cassandre YSL logo on flap | Messenger silhouette with soft lines | Dimensions & fit: Width: 31 cm | Height: 23 cm | Depth: 9 cm | One size | Composition & care: 90% calfskin leather | 10% brass | Lining: cotton | Refer to manufacturer's care instructions.