The 3M 1293 reusable earplugs provides noise protection rating (NRR) of up to 25dB. These softer, corded 3M 1293 reusable earplugs provides wearer comfort & comes with a carrying case for storage convenience.  Specifications:     - New softer material provides comfort and helps to extend wear time - The 3M 1293 reusable earplugs is translucent blue color and appeals to a range of users  - Finger grip design improves ease of insertion  - Plastic cord helps prevent loss and ensures product is available when needed - 3M 1293 reusable earplugs comes with blue plastic storage case with belt clip to help keep plugs     accessible, clean, and protected between uses - Does not contain silicone.  - Recommended for moderate noise (up to 95 dBA TWA). Noise Reduction Rating (NRR): 25dB