Come and see our amazing products. This Cell Phone Dust Plug is made of Eco-friendly,non-toxic PVC and its size is 0.8 " x 0.8 ".It is designed to protect your headphone jack from dust, liquid, sand and fluff and it's very easy yo use: just plug it in ear jack,then it prevents dust and debris.Unplug the port when you don't need it.It's a good promotional gift at trade show as your customer would be very happy if you send them this practical item.Price subjects to change without notice, please verify with supplier. Pls confirm with us about the packing info, stock color and exact production time before placing your order.