The Sea to Summit X-Plate is a generous diameter plate made of a rigid, high temperature resistant nylon base bonded to a flexible, food grade silicone lip. The upper gives you something to scoop against and the cut-resistant nylon base allows it to double as a cutting board. Stable rigid base with flexible silicone upper Collapses flat for compact packing BPA – free Cut resistant base makes this a great stand-in cutting board Dishwasher and microwave safe Silicone sides can withstand temperatures up to 300 degrees Fahrenheit