For Sony WF-1000XM4 Soft Silicone Cover Anti-shock Bluetooth Earphone Protective Sleeve Case with Anti-lost Buckle - White It protects the headset from impacts, scratches, drops, etc. Made of high-quality silicone material, washable, soft and flexible With a precise cutout for convenient charging Perfectly matches your earphone charging case Easy to carry with the included hanging buckle Applicable for Sony WF-1000XM4 earphones Size: 78*46*33mm Package included: 1 x Silicone Cover 1 x Anti-lost Buckle Earphone Not Included