tire seal/cold patch for repairing tyre/tyre patch the product is the oval patch for inner tube,it can repair the long wound or group of wounds in inner tube,it is fit fir repairing the inner tube made up of the natural and butyl rubber for automobile,motorcycle and small-sized vehicels. the products is made up of semi-cure composition surface and vulcanized strengthen sheet,after it is used with gluewater for inner tube,it will be cold vulcanized naturally.it is thermostable and never coming unglued.