100% new quality feature:The TWS earplug foam indicates that the tube is not straight. Modified the tube, so it can best fit the ear's true wireless Bluetooth-compatible earbuds. Replacement foam tips are compatible with most true wireless Bluetooth-compatible earbudsMade of non-slip material, the surface is smooth. But the rebound is slower. Noise reduction, super soft, washable, comfortable and safe, suitable for exercise. specification:Colour: BlackMaterial: soft memory cottonSize: S (yellow), M (green), L (blue)Quantity: 3 pairsFit in the charging case:for Jabra True Wireless buds / Elite 65t, Active Elite 65t, Elite Sportfor S amsung Gear IconX, G alaxy Budsfor B&O Beoplay E8/ Bragi The Dash Pro, The Headphonefor S ennheiser Momentum/ S ony WF-SP700N WF-1000Xfor Audio-Technica ATH-CKR7TWfor Anker ZOLO Liberty+for X iaomi Redmi AirDotsfor Soul Electronics ST-XS Note:No retail package. Transition: 1cm=10mm=0. 39inchPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Included:3 pairs of memory foam earplugs (earplugs only)