Macks Therma Fit Foam Earplugs (NRR 29 | Bottle of 40) Colour_Rose Gold 4) Flatten the plug into

4) Flatten the plug into a disk

Alpine insertion sleeve

practically disappearing inside the ear

plush earcups and non-slip headband

Macks Therma Fit Foam Earplugs (NRR 29 | Bottle of 40) Colour_Rose Gold 4) Flatten the plug intoMack's ThermaFit Soft Foam Ear Plugs feel firm out of the package, but therein lies the secret to why many consider these the best earplugs ever. The rigidity of these earplugs make insertion into the ear canal easier than with some competitor's softer foams that can bend and crumple during insertion. After insertion, the PVC foam reacts with your body heat to slowly expand and fill the unique contours of your ear canal, creating a super comfortable,