Features: Experience superior noise reduction and waterproof protective with our silicone earplugs, featuring professional noise cancelling technology to block environmental sounds and create a private quiet zone. Crafted from soft silicone materials, these earplugs conform perfectly to your ear canal for a pressure less, , with multiple ear tip sizes included for personalizing comfort and stability. Ideal for students, professional, and swimmers seeking effective noise blocking and water resistance during daily activities. Perfect for achieving sleep, focusing during commutes or study , and enjoy underwater swimming without water leakage or discomfort. Versatile and , these earplugs adapt seamlessly to various environments, ensuring all day comfort and reliabled performanced for noise cancelling and waterproof needs. Specifications: Component: silicone Color:Black/Blue/White/Pink Package dimensions:8.5x11x1.9cm/3.35x4.33x0.75in Package Includes: 1 Set Noise Cancelling Silicone Earplugs note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.