black bow jewelry 5mm x 29mm polished 14k yellow gold hollow oval shrimp hoop earrings the black bow elevate your everyday style with the dynamic shrimp design of these polished 14k yellow gold hollow hoop earrings. they are approximately 2-5mm (3/16 inch) in thickness, 24mm (15/16 inch) in width by 29mm (1 1/8 inch) in length.