Best-In-Class Foam Technology: Comply’s premium memory foam adapts to your ear for the ultimate comfort, ensuring a secure fit that stays in place, even during intense activities. Secure Fit For Your Ear: Never let your earbuds fall out again. Comply memory foam ear tips are engineered for a secure in-ear fit, providing a better grip than silicone. Whether you’re exercising, working, sleeping, or going about your day, our replacement tips will keep your earbuds from falling out so they can go with you anywhere, to do anything. Superior Noise Isolation: Industry-leading foam design blocks external noise, delivering superior sound clarity and a fully immersive listening experience. Compatibility: Memory foam tips for Sony LinkBuds Fit and TOZO NC9 Hybrid ANC; Doesn't interfere with charging; Superior sound experience. Care Instructions: To keep your tips in top shape, clean them gently with warm water and a soft cloth. Avoid alcohol-based cleaners or lotions, as they can degrade the material