Neck Strap Size：55 x 0.27 cm Neck Strap：Anti-lost wire to protect from falling down or lost and keep it around your neck. Earhook Cover：Soft texture, wearing comfort, Silicone Case Size：5.5 x 4.7 x 2.8 cm Earhook Cover Size：2.8 x 2.1 x 9 cm Measurements: Airpods Accessories | Living Social | Living Social