Size 0: Infant Baby Maybe 3-12months [Previously indicated as 0-1yrs may not be accurate enough.]
Size 1: Kids Maybe 1.5yr-4.5yr & ExtraSmall Ear Women&Teens
Size 2: Kids Maybe 6yrs-14yrs & Medium Ear Women
Size 3: Medium Ear Men & Large Ear Women&Teens
Size 4: Large Ear Men
A-Series: Size 1A=0.8, 2A=1.8, 3A=2.8
A-Series fit for Narrow Ear Canal, Easier put-in, Less fall-out and Cover Size Gap of Classic Series, but the comfort is slightly less than that of Classic Series.
Note: There might be 3-5% people could not find any size fit because of unusual ear canal.
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Many Revisions of the Size Indication have come from users feedback and suggestions.
Thank you!
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Size 0+1A | Size 1A+1 | Size 1+2A | Size 2A+2 | Size 2A+3A | Size 1A+2A | |
Users | Infants Babies Toddlers 3-18months | Toddler Little Kids 10m-6yrs & ExtraSmall Ear Women&Teens | Small Ear Women Teens Kids | Kids Teens Medium Ear Women Small Ear Men | Medium-Large Ear Women&Teens & Small-Medium Ear Men |
Highly recommend Mixed-Size Pack if it is your first time buying our earplugs.