Usage: sound proof, swimming, shampooing and bathing, diving and wading, effectively preventing water from entering the ears Push the rubbed earplugs gradually into the ear canal to block the noise without any damage to the ear canal. Skin-friendly silicone material, easy to fit into the ear, soft texture, no pressure on the ear when sleeping on the side, safe and comfortable sleep The three-layer umbrella structure can attenuate the impact of sound waves on the eardrum multiple times, better fit the ear canal, suitable for people with different ear canal sizes Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Note: Due to different product batches, there are differences in appearance, does not affect the use of Type: Waterproof Noise Reduction Ear Plugs convention: Sound insulation and waterproof Colour:Blue Material:Silicone Package Contents: 50 Pair x ear plugs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.