1.Every product has a unique Manufacturing Part Number label on the inner
package that proves it has been qualified,which include Part Number,Model
Number and inspection date information;
2.If you have any questions about the item,please provide us the Manufacturing
Part Number for checking,your profits will be guaranteed.
3.Made of synthetic rubber.
4.Insulation material, anti-flaming, non-toxic, high environmental protection,
anti-corrosion, anti-aging.
5.Suitable for high and low voltage electrical cabinets, cabinets, outlets, to
protective wires, not scratched by the cabinet.
link:http://www.rubberplasticparts.com