Stylish eyeglass chain using magnetic beads. - Uses 5 magnetic beads at the back of the neck, so it can be expected to prevent stiff shoulders. Green bead eyeglass chain, approximately 63cm long. Weight is 12.5g. - Color: Green - Materials: Magnetic beads, glass beads, beads, silicone fasteners - Design: Multi-layered structure - Usage: Eyeglass chain No pets, no smoking. Measurements are approximate due to amateur measurement. No claims, no returns. Thank you for viewing.