This is a boxed Morita Denko electric blanket "MB-S30B". It's an electric blanket designed to be placed on a futon. It has a dust mite control function that eliminates dust mites with high heat. The material is 50% acrylic and 50% polyester. I turned it on and checked it. It takes some time to warm up, and I felt a gentle warmth. The blanket is clean, so I think it's in near-new, excellent condition. It has been stored at home. Please check the details on the box.