Mask Material:High quality TPU materialnylon Weight265g ColorBlackDark EarthGrayOliveMulti-camoMulti-camo Black PackageMask*1elastic handband*1rail adapter holder*2rail fixig accessory*2screwsNOT include helmet Fit OC style helmet rail Remains comfortable in a long run, not easy to be slack even after intense exercise. Function: Outdoor activity,wargame,CS game,airsoft Two using modes for switchinguse on helmet,wear on head directly Goggle Material: TPE The tactical anti-riot goggles enable the glasses to be protected by Z in special circumstances! Anti-fog lenses for improved eye comfort and clear vision. The lenses are made of thick polycarbonate explosion-proof material that resists the threat of protruding and protects the eyes. The soft and comfortable smash-proof edge design makes you feel uncomfortable when wearing goggles. It fits perfectly with the edge of the helmet and is used with styling essentials. Design Features: 1. Transparent explosion-proof lens (3MM thickness) 2. Glasses are compatible with all helmets with APS rails with OPS-CORE specifications 3. Apply with superior and environmental friendly material. 4. Anti-fog, Anti-scratch, Comfortable and durable wearing 5. Buffer frame anti-collision eye protection 6. Black foam for scratch resistant and buffer for comfortable and safe wearing. Two methods to wear tactical goggles 1. Wear tactical goggle alone. ( Equiped with elastic headbrand. ) 2. Combine tactical goggle with helmet. ( Equiped with 2pcs fixing Hook&Loop buckle and 2pcs rail fixing part. ) Mounting instruction for helmet 1.Insert the rail fixing part into the guide rail of helmet 2.Insert the fixing buckle into the rail fixing part and stick the Hook&Loop well 3.Put on the goggle and adjust it 4.Finished Package include: 1*goggle+Mask Easy to put tactical goggles upper the helmet