Noise Cancelling Earplugs: NRR 32 (Noise Reduction Rating),ensure to protect your hearing from loud noise,no more noise interruptions. Soft Silicone Ear Plugs: Made of soft silicone material,adjusts to your ear with comfortable shape; Washable,reusable,safe and comfortable to use. Can Be Widely Use: Noise Reduction Earplugs can easily block all types of noise.Best choice for work,home and sleeping,bring you a quiet environment in noisy place;It can also protects ears while swimming and in water sports, airplanes. Comfortable Ear Plugs: These earplugs can fit your ear perfectly due to the soft silicone material and comfortable shape, you will enjoy with them in every moment. Reusable and Portable: Silicone material, soft and easy to clean, you can use it every day; 12 pairs sleeping earplugs in 6 colors, The earplugs are individually packed in a plastic storage box, easy to carry and no more worry to lose them.