... Size: 2.0-5.0bu(3-15mm) Material: Freshwater Shell Nuclei Promise: High quality, Fair price, On time delivery. ... order, Trial order, OEM&ODM. Specifications: Main MaterialShellNucleus TypeFreshwater Shell Pearl NucleusBrandRegal Nucleus ColorsNatural colorNucleus GradeA&B,CNucleus ShapeRoundNucleus Szie2 ... Western Union, Paypal, T/T and MoneyGram. Chinese Freshwater Shell Pearl nucleus/Pearl nuclei