Material: 316L Surgical Stainless Steel(Hypoallergenic and nickel free body jewelry). , Gauge: 14G=1.6mm; Bar Length: 38mm; Ball Dia.: 4, 5, 6mm. , You will receive 6 different colors industrial cartilage earrings piercing, it can make you unique every day. , Package includes: 6pcs industrial piercing bars, coming with a nice free velvet bag. , Top quality, won't disappoint you, 90 days money back guarantee.