Item Type: Ear TipsMaterial: Memory FoamSize: 3 sizes, L/M/SInner Diameter: Approx. 4.1mm / 0.16inPackage List6 x Memory Foam Ear Tips1[3 Pairs Ear Tips]3 pairs of ear tips, 3 sizes, each size has 1 pair of earplugs. (L/M/S 1 pair each) Enough size and quantity allow you to find the perfect fit for your earphones. 2[For 4.1mm Inner Diameter Earphones]Memory foam earplugs have an inner diameter of 4.1mm, which is compatible with most earphones. The eartips fit most people's ears. 3[Memory Foam Material]Replacement earplugs made of slow rebound memory foam material can provide more noise isolation, ear stability and lasting comfort, durable, flexible, replaceable and detachable. 4[Good Replacement]Replacement ear tips are ideal for any damaged, scratched, defective or lost ones, give a new life and look for your earphones. Easy to replace. 5[Enhanced Comfort]The super soft memory foam can change with the ear canal, perfectly fits any type of ear canal, and is very suitable for fixing the earphones to prevent them from falling during exercise.