K-T's cable ties are made from strong dupont 6/6 nylon material which yields higher break points, even at colder temperatures. Packaged in resealable bags to help preserve moisture and keep ties organized. Higher moisture gives most zip ties more tensile strength. U/V ties can be used outdoors and indoors. Length is approximate. Good from -40degf - 185degf | K-T Industries Vertical ID Zip Ties in Clear | Size 7"