... Shape:Round Size: 2.0-5.0bu(3-15mm) Material: Freshwater Shell Nuclei Promise: High quality, Fair price, On time delivery ... after you paid us UsageWidely used to Culture Pearls like Freshwater pearls,South sea pearls, Akoya pearls,Tahiti pearlsPacking3.7kg per ... payment by Western Union, Paypal, T/T and MoneyGram. Chinese Freshwater Shell Pearl nucleus/Pearl nuclei