Quality nylon dust filter. There are glue tape in the back side.
Packing list : 5 pairs dust mesh and one change tooling - tweezers.
Easily to installment : Please check the video first.
Replacement process: 1. take off the old dust filter by tweezers and clean the earbud tube. 2. Pick off the dust mesh by tweezers . 3. Paste dust mesh on earbud tube then press several times.