Feature:1. 50 pairs one bottle, practical and economic to use, and lightweht styling is convenient to carry.2. Smooth surface, adopt anti-fouling treatment, it is washable, healthful and safe to wear.3. Premium foams material, soft and comfortable, it has good sound insulation effect.4. Helps improve sleep and concentration, effectively protect hearing.5. It is a good helper for you to avoid noise interference, can be used in your home, dormitory, self-study classroom, travel by boat and plane, factory, construction site, downtown, etc.6. High elasticity, after extrusion deformation it will automatically return to the original stateSpecification:Condition: 100% Brand NewItem Type: Ear PlugMaterial: Foams Optional Color: Light Green, Orange, RedQuantity: 50 PairsFunction: Noise ReductionSNR: 27dB.Package List:50 Pairs of Ear PlugNote:Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.