ATAIRSOFT PJ Type Tactical Paintball Airsoft Fast Helmet DE Tan NOT suitable for big head!!!!! For Hat Size: 59 or below  ( Internal width: 6.69" (17cm); Internal length: 8.66" (22cm) ). Weight: 550g ***Please check the image on the left side Ship from Hong Kong China. Standard Shipping: 8-15 days Light Weight: About 500g, Color: DE Weight: 600g ( Internal width: 6.69" (17cm); Internal length: 8.66" (22cm) ). Side Rails fit a variety of accessories, Integrated NVG mount compatible with most GoPro NVG style mounts (NVG mount not included)