This cute belly button ring is designed for pregnancy with a flexible bio flex clear bar and silver surgical steel balls ends. The charm is a star cut 7 mm cubic zirconia , it comes in clear, pink or aqua.   Comes in 25mm allowing the extra length of the bar to give you the option to cut the stem which is most comfortable for you. 
 
Specifications
Ball Material: Surgical Steel
Ball Size: 5 mm
Charm Size: 7 mm 
Total Dangle Length: 10 mm
Bar Material: Bio Flex
Bar Length: 25 mm (suitable to cut to your desired length)