- Multi function helmet set , include protective lens, masks, rails and NVG mount plate. - ABS Plastic material - Size L with adjustable liner kit. - 20mm rails on both sides, can attach flashlight, camera etc. - Breathable mash mask with fully production of your eyes, face and ears. - Adjustable mask position and remove, fit for any face shape. - Goggles Impact Resistant: ANSI Z80.3 - The impact resistance of the lens is at least 420 FPS ( the effective distance is 5 meters ). impact of 5 Joules, Suitable for requirements of Airsoft outdoor tactical protective equipments. - protective lens can withstand BB bullets impact. - Package Size Box: 28 X 26 X26CM