... : 2.0-5.0bu(3-15mm) Material: Freshwater Shell Nuclei Promise: High quality, Fair price, On time ... Trial order, OEM&ODM. Specifications: Main MaterialShellNucleus TypeFreshwater Shell Pearl NucleusBrandRegal Nucleus ColorsNatural colorNucleus GradeA&B,CNucleus ShapeRoundNucleus Szie2 ... Culture Pearls like Freshwater pearls,South sea pearls, Akoya pearls,Tahiti pearlsPacking3.7kg per can or according to ...