

Wholesale structural stack of 0.5mm clear round elastic filament core from the reliable "Strong & Stretchy" crystal string family. Manufactured from resilient polyurethane elastomers, this 0.5mm gauge is engineered to offer smooth tensile elongation while maintaining high recoil structural memory. Its chemical makeup resists oils, sweat, and UV deterioration, making it perfect for custom DIY jewelry and beaded retail assemblies.