Product DescriptionPREGNANT Belly Button Ring Flexible Pregnancy Belly Button Ring. Body Jewelry made with pregnant women in mind. Keep your piercing intact with this flexible pregnancy PTFE belly ring. The adjustable length pregnancy barbell will allow you adjust the piercing to your size. Specifications Flexible Self Threading 14 Gauge (1.6mm) PTFE Shaft, 2" Length, and FOUR (4) Acrylic UV 6mm Balls Directions Cut the 2" shaft on a diagonal to your desired specifications. This acrylic flexible shaft is SELF-THREADING. The barbell will be threaded when the ball endings are screwed onto the straight barbell for the first time. Benefits of PTFE 1) Can be Sterilized with Autoclave - (PTFE shaft only)2) Totally Flexible - It will bend with your body tissues unlike all metal Jewelry.3) Hypo-allergenic - Being one of the least allergic materials, P.T.F.E. is used in the medical industry to make Heart Valves and other surgical implants. Should there be a problem of allergic reaction or rejection to conventional metal jewelry, it is likely that PTFE Body Jewelry is now a practical choice for that person under any circumstances.4) Fully Adjustable- A razorblade is all that is needed to adjust the bar to the exact size of your piercing! 5) Self Threading - PTFE bars will fit all threaded accessories that you may already own! Simply screw-on your accessory (balls, spikes, etc...) on to a PTFE bar. It will create a thread on the bar and will hold strongly.