125 year old slate roofing tiles. 10 x 20 inches each and 1/8 to 1/4 inch thick, mostly 1/8. 400+/- in great and reusable condition and 100 pieces still in a workable state. These can be repurposed as art canvases or used in a small roof. There is no roofing that can outlast these! price is for the lot!