The Mack's ThermaFit Soft Foam Ear Plugs are designed for ultimate comfort and performance. These ear plugs start firmer to ease insertion then use body heat to conform to the unique contours of your ears
Discreet and latex free
Great for sleeping, studying, power tools, shooting sports, travel, loud events, etc.
Noise Reduction Rating (NRR) – 29 decibels
What are the foam earplugs made of and do they contain latex?
These Ear Plugs are made from PVC and are latex free. If, in the extremely rare instance you should experience any type of rash or skin irritation while using this product, please discontinue use immediately. Consult your doctor or go to your local medical emergency room if you believe you require immediate medical attention.
Besides reducing noise, can these earplugs be used to seal out water?
No. These earplugs were specifically designed to provide superior protection against noise. For water protection, we recommend that you try one of Mack’s® moldable silicone or pre-molded flanged earplug products.
Can the earplugs be cleaned?
No. If these earplugs become soiled, they should be disposed of.
Directions For Use
1. With clean hands, roll plug into a tight, crease-free cylinder.
2. With opposite hand, reach over head and pull up and back on outer ear to straighten ear canal.
3. Quickly insert earplug well into ear canal and hold in until it expands for a comfortable, secure fit.
4. WARNING: Improper fitting will reduce effectiveness and could result in hearing loss or injury.
Ear Plug Type
Noise Reduction Rating (NRR)
Heat Activated Fit
sleeping, studying, power tools, shooting sports, travel, loud events, etc.