trunk seal material?

Pretty much everybody sells it , about 35 dollars i think when i purchased mine .Take your old one off clean all the excess glue , and i started about and inch from the key hole , and came around to meet , but i think factory never butted together they were a couple inchs apart , and i used black 3M adhesive , and let it get a little tacky before actually putting on , i purchased mine in Canada , there will be somebody chime in sone to a location close to you i amagine.