Overview Reviews Product Description Costa - C-LINE - BLACK Description: Costa C- Line Retainer.FEATURES• Ultra- Thin• Lightweight Wire• End-to-End Measurement: 20" Product Videos Custom Field Product Reviews Write a Review Write a Review × Costa - C-LINE - BLACK Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *