HUGE life sized Optimus Prime Helmet 3D printed! This awesome helmet is for any fan of Transformers. It comes completely made and put together. The front mask has magnets that keep it in place and can be taken on or off (see video). You can see the dimensions of the helmet in the pictures 13 x 15 x 10. The helmet comes shipped and packaged up very nicely. Custom made when you order it and will print it and get it out. You can wear the helmet as seen in the pictures.