1、SELF LOCKING DESIGN: Zipper lacing self locking fastener design, sturdy and durable strong lock, easy to handle and prevent tying 2、FLEXIBLE WITH ZIPPER: With cable zipper for tight fastening. Cable ties can be very flexible and resistant to high temperatures 3、MULTIFUNCTIONAL APPLICATIONS: Perfect for home, office, garden, garage, travel and workshop tidy, cable zip ties are perfect for many indoor and outdoor projects, such as organizing electrical wiring, pendant lights and banners, connecting garden fences or nets, plants, fixing bicycle or auto parts, etc. 4、ECO FRIENDLY MATERIAL: These nylon cable ties are made of eco friendly nylon 66 material, which is heat and cold resistant. Typically, can be used in a temperature range of ‑40℉ to 195℉ (‑40℃ to 90℃). In addition, non toxic and potent 5、600 PIECE SET: Cable tie set has 4in, 6in, 8in, 10in, 12in various sizes, durable and suitable for outdoor and indoor use