RELEASABLE HEAVY DUTY-This is a kind of high quality releasable and adjustable zip ties ,The teeth engage as they should,strong releasable latch zip ties reusable many times as well as adjustable the bundle size when you bundle wires too tightly,perfect stuff of ,It is popular ,How to untie the cable tie please see the detailed description picture and it can be reused, it is very environmentally friendly and economical, saving money. ULTRA STRONG RELEASABLE MATERIAL-This is using environmental high-quality nylon material, It is very strong and durable and most powerful load-bearing capacity can support 100LB plastic ties wraps , the loose zip Tie Working temperature of the cable tie from -5 Fahrenheit to 85 Fahrenheit and the melting point of nylon PA66 is 250 Fahrenheit to 270 Fahrenheit.UV resistant, both indoor and outdoor daily using. Really long service life length . MULTI LOOSE -Loose nylon zip ties usually have a service life of 2 to 5 years, Can be used indoor and outdoor, After 1-2 year of use, perform normal replacement according to the time of use to performance and prevent loss. Perfect stuff of ,It is popular with vintner,Decorator,,Engineer and housewife. Colour:black Material:nylon Size:300 x 7.5mm Package Contents: 100 * Reusable Zip Ties Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.