Low sound absorption

The unique formulation -- cotton fibers soaked in a mixture of Vaseline and paraffin wax -- was so perfect right from the outset that it has remained practically unchanged up until the present day

Perfect for reducing stress from: Sensitive hearing

Its iconic shape is easy to recognize

earHD 90 is now available on our website

Macks Slim Fit Smaller Soft Foam Ear Plugs (NRR 31 | Tub of 100 Pairs) upsell_quieton-electronic-noise-cancelling-sleep-earbuds Low sound absorptionMack's Slim Fit Smaller Soft Foam Ear Plug Features: Same soft foam ear plugs in a smaller size Great for sleeping, studying, work and travel State of the art, fully skinned, smooth surface Slow release comfort foam assists with fitting NRR 31 protection from noise Mack's Slim Fit Smaller Soft Foam Ear Plug Details Mack's Slim Fit Soft Foam Ear Plugs are just like Mack's Original SafeSound foam earplugs, except these come in a slightly smaller size