3M 311-1250 Noise-Cancelling Earplugs, Soundproof Earplugs, Anti-Noise Sleep Work Study Wired Earplugs, 10 Pairs

1. Roll the earplug between your fingers until it is the size of a pencil eraser.

2. Pull your ear up and back to open the ear canal.

3. Insert the earplug into the ear canal until it is flush with the ear opening.

4. Hold the earplug in place until it expands and forms a seal.

5. Check for a good seal by covering and uncovering your ears to see if there is a difference in sound.

1. Ensure the earplug is smooth and free of wrinkles before insertion to prevent noise leakage.

2. If the earplug does not fully expand, reinsert it to ensure a proper seal.

3. Keep hands clean when handling earplugs and do not use if you have ear infections.

4. If the earplug can be easily removed from a large ear canal, consider using a different style of earplug.

5. When removing the earplug, do so slowly to maintain ear pressure balance and avoid discomfort.