The protective sleeve is washable and non-fading, which has long service time. The protective sleeve can well protect your bluetooth-compatible earphone from fall, bump and scratch. Made of high-quality silicone, the protective sleeve is soft and skin-friendly to use. The length of the protective sleeve is 75mm and width is 45mm. The protective sleeve is suitable for Sony WF-1000XM4 bluetooth-compatible earphone. Item Name: Protective Sleeve Material: Silicone Color: Black, White, Red, Dark Blue, Atrovirens Applicable Model: for Sony WF-1000XM4 Features: Soft, Wear-resistant, Anti-scratch Size Details: 7.5cm x 4.5cm/2.95" x 1.77" (Approx.) Notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement. Package Includes: 1 x Protective Sleeve(Earphone Not Included) 1 x Buckle