Features: The upper and lower cover split design, opening the cover more smoothly, random matching. Using elastic silica gel, full for protection, for stronger toughness, anti-falling and shock-absorbing, soft and skin-friendly, and durable. Ergonomic design makes the sheath and earphone fit more closely. Exquisite workmanship, real machine mold opening, personal for protection. Durable as new, anti-fouling, dirt-resistant, and effective dust-proof. Specifications: Material:Silica Gel Size: As Picture Shown Color:Black/White/Red/Dark Blue/Dark Green/Yellow/Matcha Green/for Sky Blue/Pink for Sony LinkBuds WF L900 Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Earphone Protective Sleeve