Package Includes: : There are 100 pieces female and male connectors of different sizes in 5 colors, 50 pieces female connectors and 50 pieces male crimp connectors in a transparent box with compartments. Each color consists of 5 pieces female connectors and 5 pieces male connectors, which is enough for your different needs. Material: : The wire connectors are made of copper and insulated PVC, which s high tensile strength and elongation. The elecl connector protects the joints from water and corrosion, which is durable for long-term use. Easy to Use: : The elecl wire connector crimp is fully insulated and protects elecl connections, more reliable tn conventional crimp terminals. The insulated male and female connector is easy to connect to the elecl wire to ennce its reliability and safety, no welding, easy to use, even a novice can use it easily. Wide Application: : Automotive elecl connectors are suitable for most occasions, such as home appliances, audio speakers, cars and other elecl wire connection projects. The insulated terminal is easy to connect to the power cable to ennce its reliability and safety. Multicolor: : 5 colors: blue, red, yellow, green and black, useful for distinguishing different specifications of crimp terminals and making the wires more tidy and beautiful.