Single core means the core is a whole running through the center of the beads while the double core is two half cores that been inserted into the glass beads from two sides separately.
Why choose single core beads?
- Singel core as a whole core is perfect to thread though Pandora chain
- The core is been locked tightly in the beads, so no need to worry the core will drop from the beads
- High quality is always popular with your customers
Since the complexed crafts and techniques to make single core beads, it is a little higher than the double ones, but it's certainly worth it.
