40dB Noise Reduction—Features a 3-layer structure with top-grade silicone material, achieving a Noise Reduction Rating (NRR) of up to 40dB. Suitable for studying, sleeping, working, concerts, and general hearing protection in noisy environments. Water Resistant and Reusable—Made from high-quality waterproof silicone, ideal for swimming and helping reduce the risk of swimmer’s ear. Can be rinsed with water and air-dried for repeated use. Environmentally Friendly Material—Made from non-toxic, soft, hypoallergenic silicone that is comfortable for extended wear. Wide Application—Suitable for sleeping, snoring relief, studying, bathing, travel, loud events, concerts, air travel, motorcycle riding, and more. Preserves High-Fidelity Audio—Reduces overall sound volume while maintaining sound clarity and frequency balance—no muffling effect. Compatible with: running, cycling, shooting sports, swimming, napping, and other daily activities. Material: Silicone Colors: Green, Blue, Red, Black, White Package Includes: 1 pair of earplugs (in a small white box) Note: Color appearance may vary slightly due to screen settings and lighting conditions. Slight measurement variation of ±1–3 cm may occur.