Best Quality Silicone Tips: These Earbud tips have high elasticity, are light-weight, and have soft silicone material. High-quality silicone earphone tips that are safe and non-toxic. Comes with three pairs of small, medium, and large black silicone replacement earbud tips. Superior Comfort: With a round comfort shape, the replacement ear tips are made to reduce irritation and fatigue over long listening sessions. Noise Isolation: Sound isolating design reduces ambient noise for high-intensity listening. Its optimal seal allows the headphones to completely noise isolated. Knox Gear replacement earbuds are perfectly made to pair with your earphones. Vibrant Sound and Soft Touch: Designed to enhance the fidelity of your audio by cushioning the vibrations between your ear and the headset, providing more vibrant sounds. Warranty: Includes Knox Gear 'Guaranteed Good: Works as It Should' 1-year limited warranty