Do these come with a case of some kind?

No. Mine did not come with a case.

Are the filters removable?

Yes. In fact they NEED to be removed in order to clean the silicone parts that fit into your ears. These are good at what they say they will do, which is protect from sudden impact noises without giving you that plugged up feeling that regular foam inserts often can. Keep in mind the noise rating on these is only 18. (If you are at a gun range I would recommend something with a much higher rating. Something on the order of 30-33 nrr would serve better.) I used a very similar product for years on stage as a musician and they really saved my ears. They are also good for attending concerts.

how are they for side sleeping?

I have never used them for sleeping. They are good for live music because the reduce the overall sound level and especially impact (drum) sound. They reduce sound levels when the source of sound exceeds a threshold (about 90 dB). I hope you are not trying to sleep in an area where the noise level is that high. They protrude from the ear some so sleeping on the side would most likely be uncomfortable. I also don't think they would shut out the noise sufficiently for sleeping.

does this block the sound of a barking dog

These are sound reducers. They will not eliminate the sound of a barking dog, but will reduce the sound level at your ear drum, if the dog bark is loud.

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Acu-Life Ear Plugs (1 Pair) | Ear Plugs for Shooting, Gaming, Loud Noise, Concerts, Construction, Studying & Traveling | NRR 18

Product ID: 5842374

Details

Brand
Flents
Color
Orange
Recommended Uses For Product
Noise
Size
1 Count (Pack
Style
NRR 27

🎯Precision fit for shooting & gaming

🔇27 dB Noise Reduction

♻️Reusable & travel-friendly

Description

🔕 Hear what matters, block what doesn’t — protect your peace in style!

TRUSTED LEGACY - Backed by 35+ years of Acu-Life innovation in health and hearing protection.
ALL DAY COMFORT - Soft, flexible material ensures you forget you’re wearing them, even after hours of use.
TRAVEL READY PAIR - Compact and reusable design fits effortlessly in your pocket or bag for on-the-go noise control.
VERSATILE PROTECTION - Perfect for shooting ranges, concerts, gaming, construction sites, and focused studying.
CRYSTAL CLEAR SILENCE - Blocks harmful impulse sounds while allowing safe ambient noise to pass through.

Acu-Life Ear Plugs deliver professional-grade 27 dB noise reduction with a comfortable, flexible fit designed for diverse loud environments—from shooting ranges to concerts. Reusable and travel-friendly, these ear plugs provide reliable impulse sound blocking without the plugged-up feeling, backed by over 35 years of trusted health innovation.

Specifications

ASIN	B001T8S83I
Brand	Flents
Brand Name	Flents
Color	Orange
Customer Reviews	4.2 out of 5 stars 269 Reviews
Global Trade Identification Number	00079573107119
Item Dimensions	1.5 x 1 x 1.75 inches
Item Form	Pair
Item Nype Name	Ear Plugs
Item Weight	13.61 g
Manufacturer	Apothecary Products, LLC
Manufacturer Part Number	400711
Model Number	400711
Net Content Count	1 pair
Noise Attenuation	27 db
Noise Reduction Rating	27 db
Number of Items	1
Number of Pieces	2
Product Style	NRR 27
Recommended Uses For Product	Noise Protection
Reusability	Reusable
Size	1 pair (Pack of 1)
Sport Type	Shooting
Style	NRR 27
UPC	079573107119
Unit Count	2 Count

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