This product is a [super strong sound insulation] soundproof earplug. It mainly has the following characteristics and uses: First of all, it has a powerful sound insulation effect and can effectively block external noises, and can be used whenever sleep, study or other times when a quiet environment is needed. For those who are easily disturbed by noise, such as light sleepers, students, office workers, etc., it is a very practical artifact. When sleeping, it can help us isolate the noisy sounds from the outside world and improve the quality of sleep; when studying, it can make us more focused and not be disturbed by the outside world. And it is a 1-pair pack, which is convenient to carry. The random color also adds some fun and sense of surprise. It is especially suitable for people who live in a noisy environment and often need a quiet environment for study or work, as well as those who have higher requirements for the sleeping environment. In short, it is a powerful little helper to help us create a peaceful space and improve the quality of life and study.