when you need strength, durability and versatility, choose polypropylene webbing from Lanjing. polypropylene webbing is available in 4 varieties including standard lightweight polypropylene, standard heavyweight polypropylene, super polypropylene or high tenacity polypropylene. while the varieties of polypropylene vary in thickness and strength, all types are mold, mildew, moisture and rot resistant, making them excellent choices for outdoor applications. combine your polypropylene strap with a metal or plastic buckle to create a custom strap.