This is a MuAtsu folding cushion. ● Material: 100% polyester (Filling: urethane foam) ● Size: 35cm (length) x 35cm (width) x 3.5cm (thickness) It seems to fold in half. It comes with a dedicated carrying bag for compact storage. I received it as part of a campaign and only opened it for photos. It seems to cost around 6,600 yen if purchased as a product. I hope someone who can use it will take it. Eco-Mercari shipping is welcome.