The unique V-shape ensures a snug fit, keeping them in place. The soft, oval tips add comfort, perfect for extended use. It reduces noise by up to 25 dB, ideal for sleeping, traveling, and concentrating. They come with four different tip sizes to fit any ear. They include a sturdy little carrying case that you can attach to your keychain. They're easy to clean and reusable, so you can use them again and again.