Feature: 1. REDUCE NOISE INTERFERENCE: Noise proof earplugs can effectively block outside noise and provide a quiet environment to help users focus on work, study or rest 2. HEARING PROTECTION: Prolonged exposure to high noise levels can cause hearing damage. Noise cancelling earplugs help users prevent from hearing damage by reducing the strength of incoming noise 3. COMFORTABLE AND FIT: Noise reduction earplugs are usually made of soft and comfortable material, which fit the outline of the ear, reduce discomfort when wearing, and enable users to use them comfortably for a long time 4. SAFE SILICONE: Soundproof earplugs adopt silicone material, environmentally friendly, non toxic and harmless, has good elasticity and softness, high temperature resistance 5. WITH BOX: Sleep soundproof earplugs equipped with a storage box for easy storage, portability and access, and also prevents damage and loss Specification: Item Type: Sleep Earplugs Material: Silicone. Package List: 1 Pair of Earplugs 3 Pairs of Spare Earmuffs1 x Storage Box