Ear Defenders Safety Colorful Waterproof Earplugs Cord With PVC String
1.Pure silicone, which are very environmentally-friendly and innocuous
2.Our silicone earplugs are made of extra-soft, lightweight silicone that seals the ear canal without pressure
3.Vulcanization, not produce plastic articles by injection molding, so they are flexile
4.Fixed umbrella shape for a snug fit while gently conforming to the ear canal
5.Graduated design for ideal fit and optimized noise cancelling
6.Easy to take in and out
7.Regular size fits most ear canals