The BioPlast Jewelled Silver push-fit micro flower Labret has a flattened lower end, the upper end is closed by a plug-in system. The attachment is plugged into the labret.nnThis particular jewel has got a flower shape attachment made of Silver with a little crystal clear rhinestone.nnThe article is NOT appropriate to use with balls or other threaded attachments.nnBioplast is a flexible synthetic material, whose bio-compatibility is proved. The material contains no nickel and can not cause allergic reactions. This is why the material supports the fast skin regeneration and is especially appropriate for beginners. Bioplast can be used with all Wildcat balls and attachments with suitable thread sizes. The Bioplast is adequate while regeneration, for usage in medical operations or as jewellery during pregnancy. It is ideal for permanent use. nThe material should only be sterilised in an autoclave! If there are any questions left please do not hesitate to contact us. The employees of the Wildcat corporation can give you further advice!