Earhoox for Round Earbuds - The #1 Earbud Attachment Popular for iPhone 3G/4S, Sony, JVC, Skullcandy and Other Earbuds, Blue Each set comes with multiple sizes, so you're guaranteed a great fit Tailored to fit, our slick anti-slip shark-fin design molds to the grooves of your ear Constructed with ergonomic ultra-soft silicone Flexible silicone earbud attachments universally fit circular earbuds of all shapes and sizes