These cufflinks are certainly unusual. Made from solid pewter they have been crafted into the shape of a divers snorkel mask. If you are looking for something that is quite unique then these might just be the thing.
Dimensions (LxWxH): 23mm x 22mm x 5mm (approx.)
Weight per cufflink: approx. 5.26g (light)
Size = x mm (W x H)