1. Material: silicone 2. High elasticity silicone material, tightly wrapped data cable, does not slip and does not hurt the cable 3. Silicone + plastic double protection, to prevent pulling breakage, more intimate 4. No tearing more durable, safe, no electricity shock, solid non-slip not loose 5. Charging port anti-electrocution dust cover, dust and moisture, to protect the metal tip is not easy to be damaged 6. Built-in anti-slip groove, close fit, no sliding, applicable to smooth, do not hurt the data cable 7. Fully compatible, suitable for different versions of the original data cable for cell phones 8. Note: delivery only the protective cover, does not include other