You can also use plastic mending staples. like these.
https://www.ebay.com/itm/394714387466?chn=ps&_trkparms=ispr=1&amdata=enc:1fMEtduIaQTqJfEcGc8D4Tg71&norover=1&mkevt=1&mkrid=711-213727-13078-0&mkcid=2&itemid=394714387466&targetid=4580840334207758&device=c&mktype=&googleloc=&poi=&campaignid=437225721&mkgroupid=1235851340419610&rlsatarget=pla-4580840334207758&abcId=9300906&merchantid=51291
You may have a different source as this just an example.
