Looks a lot like a popular food chain item to me. I name no names.

Dimensions (LxWxH): Hamburger: 18mm x 18mm x 10mm (approx.)
Weight per cufflink: approx. 19g (heavy)
Fries: 20mm x 15mm x 15mm (approx.)
Weight per cufflink: approx. 16g (heavy)