Features: Premium silicone earplugs with advanced noise reduction technology and waterproof design for ultimately comfort in any environment. Ergonomically crafted from soft silicone, these earplugs stay secure in place without causing ear canal pressure during extended wear. Perfect for blocking disruptive sounds during sleep, swimming, loud workplaces, or intense study. Perfect for use in bedrooms, dormitories, train, or any setting where silence is essential. Enhances your sleep quality and concentration by incorporating these effective noise reducing earplugs into your dailys routine, making them a indispensable part of your sleep accessories collection. Specifications: Component:Silicone Color:White/Black/Blue/Pink Size:Approx.1.8x2cm/0.7x0.78inch Scope of application: sleep, industry, workshop Package Includes: 1 Set 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 coloring of the item. Thanks for your understandings.