7mm dark blue crystals encircled in silver hang above 14mm blue, yellow and black Batman cabochons set in silver-plated round bezels.  The earrings use silver-plated fishhook earwires and are 1" long.  
 
All metal used is hypoallergenic, nickel-free, and is sterling silver, silver or gold-plated, or stainless steel unless noted otherwise. Every item is handcrafted, custom-made, nothing mass-produced.