Can be attached to a helmet. [Uses] Protects your eyes from flying objects such as polishing and cutting. Features: Mesh glasses that can be attached directly to the hisashi of a helmet. Mesh type so it wont get stuffy. Can be used even with glasses attached. Specifications: Made of stainless steel 24 mesh. Product Weight: Approx. 2.9 oz (83 g). Material: Stainless steel. Product Size (W x H x D): 8.3 x 3.1 x 1.3 inches (210 x 80 x 34 mm); Weight: 2.9 oz (83 g); Product Code: 4962087602095; JAN Code: 4962087602095; Brand Name: Toyo; Product Name: Mesh Glasses for attaching hat, Standard: NO.141410