description: 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 for most true wireless Bluetooth-compatible earbuds Made 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: Black Material: soft memory cotton Size: S (yellow), for M (green), L (blue) Quantity: 3 pairs Fit in the charging case: for Jabra True Wireless buds / Elite 65t, Active Elite 65t, Elite Sport for S amsung Gear IconX, G alaxy Buds for B&O Beoplay E8/ Bragi The Dash Pro, The Headphone for S ennheiser Momentum/ S ony WF-SP700N WF-1000X for Audio-Technica ATH-CKR7TW for Anker ZOLO Liberty+ for X iaomi Redmi AirDots for Soul Electronics ST-XS Note: No retail package. Transition: 1cm=10mm=0.39inch Please 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)