Package included: 1 x Gas Features: - This cool M04 Gas is of innovative design,it is great for cosplay and war game. - Combination of comfort, protection. - Built in circulation system. - Use 2x AA battery to operate the fan unit which inside the canister unit (not included). - You can put on M04 without take off your glasses(not recommended over +4 correction lens). Specifications: Model: FJ - M024 Style: headwear Function: anti-shock Material: TPR/PC Scope of use: tactical competition. Specification :M04 gas . Color: Black/Army Green/Khaki Product Size: 195x215x160mm Thickness :3 (mm) Package Weight: 350g Note: Please allow 1-2cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures.