Handmade stained glass box, 85mm Square, accurately made using various colored glass that represent a Rubik's Cube, Copper Foil, Solder, Flux, Brass Tube for the Hinge, Chain, Black Patina, and lots of Polish, I have a background in manufacturing for many years where accuracy was vital and I have made all my items with the same principles of accuracy, everything has to be square, the lid must be a perfect fit to the base, and well finished.