✔️ Water, sweat and heat proof ✔️ Hypoallergenic & nickel free ✔️ Tarnish free and won't discolour This waterproof belly button bar is perfect for everyday wear! You'll really sparkle whenever you wear this double crystal belly button bar! This mesmerising body jewel is created from durable implant grade titanium and finished with a pair of sparkling crystals - one centre piece and one ball end. Titanium jewellery is hypoallergenic and won't tarnish, it's nickel free and perfect for those with sensitive skin or allergies - it's perfect to wear every day! Material: TITANIUM 6AL-4V-ELI ASTM F-136 Stone: Cubic zirconia Thickness: 1.6MM (14 Gauge) Bar length: 10MM Ball size: 5MM Externally threaded Our piercing forceps are a handy tool which can really help out with opening and closing jewellery, bending hoops and unscrewing ball ends. You can find them here.