They measure 3.5cm from the top of the earwire. The glass pieces are 2cm x 1cm and the Black triangle accent is 1cm x .5cm at the widest part. They're made of two layers of glass. A layer of Copper/Red Dichroic glass with a layer of Black glass.
The earwires are Sterling Silver, and the earrings come in a Black or Silver card giftbox.