Each plastic hat is 2" from back to front bill, 1.5" across & 1" tall.
Image is on 1 side. Overall height from top of loop 2 1/2".
Ear wires: 22 gauge with 4mm (outer diameter) loop, coil and bead, raw (un-plated) surgical stainless. Approximately 21mm x 22mm. With plastic earring backs.