S: Replacement earbud tips made of soft silicone provide enhanced acoustic insulation, stability, and long-lasting comfort in a durable, flexible, interchangeable, and removable form. GOOD SOUND QUALITY: Silicone eartips deliver deep, consistent, rich bass. Comfortable and secure fit with reduced sound fluctuations caused by ear canal compression and deformation. ERGONOMIC DESIGN: Silicone earbud tips are ergonomically designed for reduced fatigue during extended use. Comfortable to wear and can replace damaged, scratched, defective, or missing earbuds. MULTIPURPOSE: Compatible with Philips headphones, Jaybird X4, X3, X2, X series in-ear headphones, and most other earbuds, providing an improved listening experience. COMPATIBILITY: Replacement earbud tips fit most headphones with a 4.5mm wide opening and are compatible with sound holes ranging from 4.5mm to 6.5mm. Item Type: Earplugs Product Material: Silicone Scope of Application: Suitable for in-ear headphones with sound guide holes of approximately 4.5mm (0.2in) to 6.5mm (0.3in) Sizes: L, M, S Inner Diameter: Approx. 4.5mm (0.2in) Outer Diameter: L: Approx. 14mm (0.6in) M: Approx. 12.5mm (0.5in) S: Approx. 11mm (0.4in) Color: Gray, Red Package Includes: 6 x Earplugs