it is not 100% but works pretty well, it has stopped over 90% of the water, and have had less ear ache problems since I started using them. Great product I would recommend
Verified purchase: Yes | Condition: New
The stems on the plugs were too soft and floppy for me to get the rings into my ear canals. Fortunately the stems were hollow and I was able to push some stiff plastic tube into them, and now they kinda work. I used the thin plastic nozzle tube off a can of WD40.
Verified purchase: Yes | Condition: New
Use Mack's AquaBlock Clear Sleeping earplugs comfort and no noise block my sleeping Mack's earplugs very nice and use Mack's 18 years no problems. ;{D~*
Verified purchase: Yes | Condition: New
You will not be unsatisfied with this purchase, these silicone ear plugs are super soft and very easy to place in your ear without kinking, and they're not like those one that you just mold and try to mash into your ear canal
Verified purchase: Yes | Condition: New
I had these ones before and lost them. I bought them again and these are fantastic!
Verified purchase: Yes | Condition: New
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