Three-layer Silicone Noise-reduction Ear Plugs Soundproof Sleep Waterproof For Bathing And Swimming $ 4.11 Product information: Efficacy: noise reduction, waterproof Special service: Anti-fall Scope of Application: noise reduction, waterproof Series: Silicone earplugs Function: noise reduction, waterproof Material: Silicone Size: Packing list: Ear plugs1 pair Storage box1 Product Image: