Vinyl Awning Repair Tape Which one works best?

Had a dead limb fall off a tree and punch a quarter size hole in my awning on a previous coach. Had no tape, but was afraid it would tear larger. Had some eternabond tape and cut a circle of that silver dollar size, thinking it would do until I could get some awning tape. It was still in place and still holding tight several years later when I sold the coach. I wished I had put it on the bottom side of the awning instead of the top. Worked like a champ