YC1304X Features 100% brand new with high quality Made of nontoxic ABS plastics Suitable for both children and adults Features bright LED lights The size is adjustable Comes with soft elastic band， comfortable to wear Good props for Halloween/Chrismas night party Built-in batteries General Specs Type Face Mask  Material ABS plastic Shape Transformers Optimus Prime Package Details Weight: 113.42 g Size: 24*19.5*6 cm