Safe and comfortable: the noise reduction earplugs are made of high quality sponge material, it is a self-adjusting thermal sponge that hits after entering the ear canal and automatically adjusts to the ear canal when the temperature is softer and that does not compress. Ear canal at night, provide a smooth and comfortable fit. Effective Noise CancellationFoam earplug cone design, suitable for different sizes of the ear canal. You can block loud noise to protect your ears, avoid distractions when sleeping and help you learn. Separate and portable packaging: the 6 pairs of ear plugs reduce noise, each pair of earplugs comes with a separate packaging to avoid crossing and mixing, so you can have your own exclusive gift box with ear plugs. The box can also be used to store all kinds of small jewellery. You can take it anywhere. Wide use: ear plugs that are small but strong enough to protect your hearing in noisy environments. You can easily block all kinds of noises, you can use them when sleeping, travelling, concerts, building, working, learning, snoring, office and other places where you need to be calm. even if you wear them for a long time, without causing skin irritation or discomfort. Quality service: give you a quiet night. If you have any questions, please feel free to contact us. We will do our best to solve the problem.