Etymotic Research Er20 Ety-plugs Hearing Protection Earplugs, Standard Fit, Clear Stem with Frosted White Tip
This is item is for the Standard or smaller size ER20.  The item is available in a large (adult size) or small (child and adults with small ears) size.  The larger size has a white tip which fits in the ear and the smaller size has a frosted tip which fits in the ear.  Please specify if you would like the smaller size.  If no size is specified, the smaller size will be shipped.