Description:Featuring slim and lightweight, the anti-lost strap is convenient for you to carry.It is comfortable for you to wear as the anti-lost strap is sweat-proof and skin-friendly.It is made of premium silicone material, which is soft and not easy to break.The length of the product is about 68cm, and the thickness is about 2mm.It is specially designed for Sony WF1000XM3 Bluetooth-compatible earphones.Item Name: Anti-lost StrapMaterial: SiliconeCompatible Models: for Sony WF1000XM3 Bluetooth-compatible EarphonesFeatures: Soft, Comfortable, Wear-resistantSize Details: Length: 68cm/26.77" (Approx.)Thickness: 0.2cm/0.08" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Anti-lost Strap (Others Not Included)