Size Name:Internal diameter 4mm External diameter 13mm
Size:Inner diameter 4 mm, outer diameter 13 mm.
These eartips are made of silicone material, elastic to touch; Strong and durable to use, comfortable and soft for your ears.
Carrying is very easy, you can take it wherever you go.
Fully compatible with most branded headphones.
Pack of 100(Including 50 Pairs Replacement Ear Tips).
Vikenner 100 Pcs Replacement Ear Tips In-ear Earphones Earbuds Rubber Silicone Earplugs For Most In-ear Headphones Brand - Black - B077Q72L6R