Block noise - Our sleeping plugs can reduce up to 27DB noise to help you sleep better at night. Immerse yourself in your meditation or concentration while you work! Reusable and washable - do not buy a new torque followed. You can wash our plugs safely and use them again and again for years - a single purchase, good value for money. Comfortable adjustment - Our plugs to reduce noise come in 4 sizes - XS / S / M / L. Its rounded shape will fit naturally in your ear or headset pavilion.