... quality; 2: Watertight,crushproof,and dust proof ,Protection class IP67. Tool case1. Watertight, crushproof, and dust proof 2. Easy open Double ... core with solid wall design - strong, light weight 4. O-ring seal 5. Automatic Pressure Equalization Valve 6. Comfortable handle 7 ... be updated on time, please get the confirmation before order. tool case,plastic case,equipment case,IP67