Hearing protection structure: The sleep earplugs are made of soft and comfortable, high-quality silicone. The ergonomic, curved design adapts to the contours of the ear canal and effectively blocks out noise without exerting pressure on the ear. These earplugs for side sleepers do not press against the ear and remain comfortable when worn overnight. The skin-friendly material helps prevent irritation and can be reused by rinsing with water.Noise-cancelling earplugs: These earplugs provide hearing protection by reducing noise exposure. The built-in filter reduces noise by 35 dB (SNR), helping to maintain hearing health in loud environments. They help minimize the risk of noise-induced hearing loss and discomfort associated with prolonged noise exposure.Hi-Fi earplugs: Designed for live events, these Hi-Fi earplugs reduce background noise while preserving sound clarity. They deliver a more balanced listening experience at concerts, festivals, sporting events, and other loud gatherings without distorting audio quality.Versatile use: Ideal for use at night, during work, travel, or in noisy environments. These earplugs help create a personal quiet space, supporting concentration, rest, and relaxation in various daily situations.Package contents: 1 pair of silicone earplugs with three sets of interchangeable ear tips in sizes S, M, and L, suitable for most ear canal sizes, including smaller canals. Includes a compact storage case to keep the earplugs clean and protected when not in use, ensuring portability and convenience.