Specification Brand : QBDIANGEN Color : Black Department : NO Label : BD10064 Manufacturer : BD10064 MaterialType : PP+Textile products PackageDimensions_Weight : 0.05070632026 PackageDimensions : L:4.9999999949 X W:3.99999999592 X H:1.0199999989596 ProductGroup : Sports ProductTypeName : HELMET Publisher : BD10064 Size : Medium SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/414ngcP4bYL._SL75_.jpg SmallImage_Width : 75 Studio : BD10064 Title : 2 Pcs Hard Hats Hard Hats Chin Strap Hard Hats Construction Compatible with Most Hard Hats on The Market Weight : 0.1 WeightUnit : pounds