Are the frost tip plug standard fit any larger than the blue tip standard fit?

I think the frost tip is slightly larger. The blue tip fits my ears perfectly and protect me from a VERY LOUD drummer and keyboardist :D

Can you keep the detachable wire on and still have the same sound quality? Or do they have to be off when using them at a concert for example.?

The string does not affect the sound. Just leave it always on that way if one falls out it’s attached to the other one. It’s essentially designed so they dangle around your neck when not in use. It’s very useful to keep them there a while to dry after a sweaty session.

Would these block out sounds like sniffling, but still let me hear a lecture?

I don't think it wold block out sniffling and allow you to hear a lecture. It's much more geared to protecting your ears from loud sounds like loud bass in clubs or a concert and loud street noise like sirens. They may block out the sniffling, but they would make the lecture hard to hear.

Are these made with Latex in any way?

ETY-Plugs eartips are made of a thermoelastomer. They do not contain latex.Etymotic Research

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🎶 Hear every beat, protect every moment.

ALL DAY COMFORT FIT - Ergonomically designed for secure, ultra-comfortable long-term wear
VERSATILE NOISE DEFENSE - Perfect for concerts, festivals, sports, clubs, and travel
PROTECT YOUR FUTURE SELF - Prevents hearing damage from loud environments without sacrificing sound quality
BUILT TO LAST READY TO GO - Reusable, easy to clean, with durable storage case and neck cord included
CRYSTAL CLEAR SOUND MINUS THE NOISE - Preserves speech and music richness with balanced 20dB reduction

Etymotic ER20-SMF-C earplugs deliver premium 20dB noise reduction with unmatched sound fidelity, ensuring clear speech and music while safeguarding your hearing. Designed for comfort and durability, they come with a neck cord and storage case, making them the ideal reusable ear protection for concerts, sports, and daily noisy environments.

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Item Package Dimensions L x W x H	4.76 x 3.86 x 1.14 inches
Package Weight	0.01 Kilograms
Item Dimensions LxWxH	6 x 4 x 0.75 inches
Brand Name	Etymotic
Model Name	ER20-SMF
Color	Clear Stem/Frost Tip
Material	Silicone
Suggested Users	Unisex-Adult
Number of Items	2
Manufacturer	Etymotic Research
Part Number	ER20-SMF
Model Year	2013
Style	Polybag
Included Components	item
Size	2 Count (Pack of 1)
Sport Type	Swimming

Etymotic ER20-SMF-C High Fidelity Reusable Earplugs [Clamshell Box] Ultra-Comfortable Hearing Protection for Concerts, Festivals, Sports Events, 20dB even volume reduction, Frost Tip Standard SIze

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