Get WESTCables manufactured 5PK 3/4in x 7 Econo Cinch-EG. Its material is 100% nylon. This is Earth-Friendly and reusable. There is max bundle in diameter 1.25. There are at least 2000 re-fastenings. The non-metallic buckle is in safe hands to use around magnetic and electrical. It can use attached to exterior using grommet permanently. You can restore one time use of the nylon zip ties. It is not heat-bonded by machine and sewn by skilled human beings.