20pcs Earphone Dustproof Mesh Filter In-Ear Earphone Tuning Damper Mesh with Adhesive 3mm-5mm~~20pcs Earphone Dustproof Mesh Filter In-Ear Headphones Tuning Damper Mesh with Adhesive 3mm-5mm Material: Silver mesh (120 nylon mesh) White fine mesh (300 mesh polyester) Cotton material (250 mesh non-woven fabric) Black mesh material (300 mesh polyester) The highest density is mesh material, followed by cotton material, and the smallest density is silver mesh. Hearing difference between the 3 materials: Silver mesh for high frequency White fine mesh for balanced vocal sound Cotton material for low frequency It is recommended to use a caliper to measure the diameter of the original filter or the diameter of the position where the mesh filter is located to choose the right size. 3.7mm for SONY XM 23.8mm for powerbeats pro 4mm for beatsX,iconx2018,cks1100,for JBL T180A, for Redmi AirDots24.3mm for Redmi AirDots34.5mm for ATH IM50,IM70,LS50,LS704.7mm for JVC FX650,FX750,FX850,FX1200(1100),FW001/002/0035mm for JVC FXZ100,FXZ200,FXT90,FD01/02Note: White fine mesh and silver mesh are sent in sizes randomly mixed. If you need certain sizes, please leave a note when placing the order. Package includes: 20 pieces of tuning mesh Services High-quality products. Orders will be shipped within 3-5 days after payment. Dedicated customer service. Note To ensure fast delivery, please confirm your order details (Name / Address / Quantity / Phone Number) before payment. Please contact us if you have any questions.