From the manufacturer's website: ↓ ⚪︎ Thick Mantle This thick mantle for mugwort steaming was jointly developed with a Japanese general clothing manufacturer. We've focused on comfort, using a soft-touch lining. This thick mantle is recommended for those who don't sweat easily or for those trying mugwort steaming for the first time. It's also designed with openings for your arms so you can read a book. ● Sleeveless, no zipper (approximately 17.5cm arm openings) ● Size: 1400mm (length) x 1150mm (width) ● Material: Polyester ■ Care Instructions ・If soiled, hand wash or machine wash (gentle cycle, using a laundry net) is possible. Hang to dry in the shade. ⚪︎ The cushion is the pre-renewal type with a split.