New, Unused High-Performance Tongue Brush Dual-sided type gently cares for the tongue. This dual-sided type is designed to be gentle on the tongue. Effectively removes tongue coating (lingual plaque), a cause of bad breath. Ultra-fine nylon fibers trap and remove debris. Jointly researched and developed with the Niigata University Graduate School of Medical and Dental Sciences. - Model: W-1 - Type: Dual-sided - Purpose: Tongue cleaner - Features: High-performance tongue brush - Material: Soft feel Please refrain from purchasing if you are overly concerned about details.