Ortho – consciously designed mouthpiece for ultimate comfort Crystal silicone flexible neck; Detachable two – Section Swivel Adapter for free movement; Colors: Black (BK), bright pink (BP), Cobalt Blue (CBL), Fishtail Blue (FB), flash yellow (FY), hibiscus red (HR), light blue (lb), Translucent (T), Pearlescent Pink (PP), Siesta Green (SG), White (W); Black Silicone as SP – 170qb: Black (BK), black red (BK/R), Bronze (QB – BZ), Fishtail Blue (QB – FB, hot pink (QB – HP MDR-1 A), Metallic Red, Metallic Silver (MS), Siesta Green (SG)