Features: This replacement Earbuds Tips for in ear earphones strong deformation ability and recoverability, so as to reduce ear canal stimulation and fatigue. easy installation, soft and comfortable, and always stays on earphones. Passive noise reduction designing on the Earbuds Tips, sound improving and noise cancellation. Replacement tips stay in your ears during your most intense exercises. Ensuring long time comfort to your ears. Great for running, cycling, working out and much more. Not hurt ears for long time wearing. Specifications: Size:about small 11mm/0.43in 12.5mm/0.49in 14mm/0.55in Component：Silicone Quantity：1Set（6pcs set） For in ear earphones Package Includes: 1Set Eartips note: Due to the problem of lighting effect there might be tolerances in product, please understand. Please allow 0-2mm error due to manual measurement.