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 during extended wear. The skin-friendly material helps prevent irritation and can be reused by rinsing with water.Noise-cancelling earplugs: These earplugs provide hearing protection in noisy environments. The built-in filter reduces noise by 35 dB (SNR), helping to protect hearing and reduce exposure to harmful sound levels. Ideal for use in loud settings, they help minimize the risk of noise-induced hearing issues.Hi-Fi earplugs: Designed for live music and loud events, these earplugs reduce background noise while maintaining sound clarity. They offer a balanced listening experience at concerts, festivals, and sporting events by preserving audio quality.Versatile use: Suitable for nighttime use, travel, work, or any situation where noise reduction is needed. Helps create a quiet environment for improved focus, rest, and relaxation.Package contents: 1 pair of silicone earplugs with three sets of ear tips in sizes S, M, and L, suitable for various ear canal sizes. Includes a portable storage case for protection and easy carrying.