Pluggy Lock Twist-and-Go Lock Earphone Jack Accessory (Brushed Aluminum) by LinkS Pluggy Lock + Wrist Strap, it can be mounted on the mobile device with an earphone jack of general 3.5mm diameter. By fixing the Pluggy Lock the earphone jack, it can be used as a strap hole of the mobile device. Available in such as smart phones and tablets by the load capacity of up to about 3.2kg.By turning anticlockwise, it can be removed easily return inflated rubber the original shape of the tip. Body (including the CAP)-Height 2.5 cm Full length (including parts) - Approx. 3.5 cm Strap length - 19.5 cm Main material - Aluminum, rubber Set contents -Pluggy Lock body (plugs), strap, magnetic Cap Pluggy Lock can be mounted on the mobile device with an earphone jack of general 3.5mm diameter.It comes with a wrist strap of palm size. It will prevent unintended fall accidents. You can use a variety of applications as a strap hole of portable devices. For example, a neck strap, key chain, pendant, a touch pen, etc., can be connected to various things in portable devices equipped with a earphone jack.10 colours to choose from.