About this item Comfortable Foam Earbud Tips: Foam earbud tips naturally wear out over time with regular use. For the best fit and performance, we recommend replacing your earbud tips every 46 months with fresh earbud replacement tips. Noise Isolation with Memory Foam Earbud Tips: Pair these memory foam earbud tips with custom molded earplugs for maximum noise reductionup to 31 NRR. These earbud replacement tips provide a secure seal, helping block out unwanted noise with a perfect fit. Ideal for anyone seeking high-performance earbud tips. Fits All Custom Earplugs: These memory foam earbud tips are designed to work seamlessly with various custom earplugs. Whether you use standard sizes or need extra small earbud tips, our earbud tips ensure a comfortable and secure fit every time. Universal Fit & Compatibility: These memory foam earbud tips fit a wide range of earbuds and IEMs, including AirPods Pro 2. Ideal as earbud replacement tips or earbud rubber tips, they work with JBL, Dunu S