Compatibility: While specifically labeled "for Vivo X300 Pro," similar designs are available for the Vivo X300 and X300 Ultra.Material: Often constructed from TPU (Thermoplastic Polyurethane) or Polycarbonate, with some premium versions utilizing 600D Aramid Fiber for enhanced durability and a slim profile.Magnetic Support: Many variants include a built-in magnetic ring, making them compatible with MagSafe accessories and wireless chargers.Protection: The design typically features raised edges around the screen and camera lens to prevent scratches when placed on surfaces