Specification: Item Type: Ear Tips Material: Memory Foam Inner Diameter: Approx. 4.9mm/0.2in Size: Three, L, M, S Package List:6 x Ear Tips Note:Manual measurement, please allow some errors. 3 Sizes: A total of 3 pairs of memory foam ear tips are included, with 3 different sizes (one pair each for L, M, S), suitable for most people's ears. Compatible: This foam earplug has an inner diameter of 4.9mm/0.2in, compatible with most headphones that use 4.56.0mm/0.180.24in sound holes. High Quality Material: Replacement ear tips made of slow rebound memory foam material, which can provide more noise isolation and durability. Perfect Replacement: Replace any damaged, scratched, defective or missing earplugs, give new life to your earphones, easy to replace and disassemble. Comfortable: Super soft memory foam can change with the ear canal, perfectly fits any type of ear canal, stable and flexible, and painless to wear for a long time. 3 Sizes: A total of 3 pairs of memory foam ear tips are included, with 3 different sizes (one pair each for L, M, S), suitable for most people's ears. Compatible: This foam earplug has an inner diameter of 4.9mm/0.2in, compatible with most headphones that use 4.56.0mm/0.180.24in sound holes. High Quality Material: Replacement ear tips made of slow rebound memory foam material, which can provide more noise isolation and durability. Perfect Replacement: Replace any damaged, scratched, defective or missing earplugs, give new life to your earphones, easy to replace and disassemble. Comfortable: Super soft memory foam can change with the ear canal, perfectly fits any type of ear canal, stable and flexible, and painless to wear for a long time.