Silicone Noise-reduction Ear Plugs Sports Swimming $ 4.34 Product information: Efficacy: Swimming waterproof, sleep noise reduction Color: Black Scope of use: Swimming waterproof, sleep noise reduction Material: Silicone earplugs Usage: Straight-in Featured services: Ring, two layers Series: Eighth generation earplugs Function: Swimming waterproof, sleep noise reduction Size: 27.8*22.2 * 14.6mm Packing list: A pair of earplugs + plastic storage box + color box packaging Product Image: