EarHooks are made from Thermoplastic polyurethane and Silicone to ensure that they keep their shape and are comfortable for extended periods. EarHooks are a soft bendable material. Please change the form to fit your ears.Installation hassle-free removal. Simply put your device in the Earhook and loop it over your ear. (Airpods Pro and AirPods are not rechargeable with the ear hook).Hole punch at the end of earhook is a useful feature for straps or clips to keep them together.Delivery Quantity: 8 pairs,(Package contents: Only the above package contents, excluding other products.)Size: 60*43mm,The detailed size is shown in the picture(Reminder: The size is measured manually, please allow 1-2 cm measurement error)Color: White x2 + Red x2 + Blue x2 + Black x2(Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)