PTFE and Bioflex External Thread Pregnancy Belly Bars

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These soft, flexible material Maternity Belly Bars with a Star, Circle or Heart shaped bottom gem are great for wearing during your pregnancy as this body jewellery will flex as yo ur bump grows. The medical-grade PTFE and Bioflex material is even safe to wear during your ultrasound scans. Supplied at 18mm, they can be easily shortened using scissors or a sharp knife. The top jewelled ball can then be threaded back on. There are 2 international standards for autoclaving Bioflex: 1. Temperature 121 Degrees Celsius at pressure 15 pounds per square inch for 15 minutes. 2. Temperature 134 Degrees Celsius at pressure 32 pounds per square inch for 3 minutes. Exceeding this can result in deformation. NB: You cannot sterilise Bioflex in a dry heat autoclave. You need a steam sterilisation process with water. Show more