These are the cushioning sheets that were used as packing material during shipping. They were only used once, so they are in good condition, almost like new. I had been saving them in bags, hoping to find a use for them, as I have a lot of them in the same size. I could only fit 30 sheets per bag, and 5 sets of these bags in an 80-size box, so I'm listing them as 150 sheets, but I'll add a few extra sheets as space allows in the box. The sheet size is approximately: 18 x 20 cm. Thickness is just under 2 mm. (Measurements are approximate) They are quite resilient. I think they would be good for protecting dishes, etc.