Effective Sound Insulation: These ear plugs are made with triple-layer sound insulation technology to ensure comfort and more effective sound insulation. Say goodbye to noise from now on. Extreme Comfort: The ear plugs are made of a slow-rebound sponge, which is more suitable for small ear canals and fits perfectly to the contours of the ear and is not easy to fall off. And long time wear is not painful and comfortable. Replaceable: The earplug set comes with 10 sponge replacement packs plus a pair of double-layer silicone for replacement at any time. Innovative Design: The earplugs are cute and novel, with both value and efficacy, and the delicate storage box is convenient for you to carry around. Multi-Scene Application: The ear plugs are suitable for the following scenarios: sleeping, studying, working, concerts, snoring, traveling, yoga, etc. A small item to significantly improve your life quality.