Montblanc Urban Spirit Cufflinks Acrylic Glass New in box with guarantee Size 15mm in diameter Unisex … The Montblanc Urban Spirit collection celebrates understated style and elegance. The round cufflinks are made from polished stainless-steel and set with an acrylic-glass inlay featuring the Montblanc emblem in the style of an automobile headlight. Their swivel-mechanism bar is set at either end with the iconic Montblanc white-star snowcap. Made in Germany.