YSL SOLFERINO Large BOX SAINT LAURENT Leather Handbag in Black. BOX leather handbag featuring LE CASSANDRE clasp closure. Fully lined with leather, its rounded lines set it apart from the original, giving it a unique character. This handbag is elegantly spacious and comes with an adjustable shoulder strap, allowing for multiple wearing options. Made of cowhide leather. Item number. Dimensions: 29cm. Official website image.