3m Anti-Noise Earplugs Noise Resistant Industrial Noise Reduction Mute Specialized Protective Anti-Disturbance Ultra Soundproof

Product name: 3M 1100 noise reduction bullet earplugs

Features: longer rebound time, softer

Material: Foam

Size: 0.47 inches * 0.94 inches

Usage range Noisy environment

Suggested Use: Replace once every 1-3 days depending on the frequency of use.

Product Reminder!

3M Noise Protection Earplugs reminds you that it is recommended that you change your earplugs every 1-3 days, depending on the frequency of use.

If the cold temperatures at your delivery location cause the 3M earplugs to become hard, place the earplugs in a warm room to allow them to warm up, or use the warmth of your hands to make them soft again. Once the product is soft, you can wear it normally.