Purchased the vented proplugs for diving due to prior ear ache from scuba diving. Went to local dive shop, got sized up for the proper fit. After using on several dives from 40′ down to 103′ the ear plugs did not due me no good, a waste of money. I was able to equalize my ears during descent but the reason for use was to keep water and bacteria out of ears, they did not do that at all. I do not recommend these plugs for keeping water out of ears, they do not work…