1. The lens will not break when the effect of sturdy 5 Joules. 2. Made of strong thermoplastic polyurethane engineering, it is very suitable for the face and has a very comfortable EVA head cushion. 3. Made of impact-resistant engineering plastic, very strong and sturdy, high-density nylon shoulder straps to maintain a stable mask, and fierce competition. 4. Outstanding masks, shooting soft-soft airsoft games or movies, role-playing. Dear person CS, Masquerade, Halloween, Zombie Soldier. Feelings for you series. 5. This product has passed the ANSI Z 80.3 falling ball test, and the temperature is minus 10 degrees Celsius to 42 degrees Celsius, and the minimumm impact resistance of the lens is 420 fps. (Effective distance is 5 meters). Specifications: Series: Gas Mask. Model: TPR Double Airr Valvee + Eye Mask. Single PVC valvee + eye mask. Type: Gas Mask. Material: TPR, PVC, activated carbon, cotton, etc. Weight: 380 (g). Packing: Blister card. Mask style: head-mounted. Breathing valvee device: Yes. Protection level: excellent. Filtering effect: excellent. Color: Black. Housing material: TPR replaceable consumables, activated carbon filter box. Scope of application: Suitable for steam, benzene and its homologs, gasoline, acetone, sulfur dioxide, ether, etc. Type: A: TPR. B: PVC. Package Included: 1 x Gas Mask. 1 x Eye mask