Body Jewellery to match with a dress without back, it also can be worn in front.
Pearls: Mainly use 5-6 mm and 9-10 mm freshwater pearls, the pendant will be a pearl around 15 mm 
Choker part: 40-42 cm
Back collar length: From 30 cm to 46 cm
Reference: Model 173 cm, Back collar 40 cm