Selling because I have leftovers. One full roll plus a partially used one (please check the images). This product sells for around 25,000 yen online. Mag Isover Vario XtraSafe Variable Moisture Permeable Airtight Sheet Moisture-proof airtight sheet Product of Mag Isover, a well-known insulation material company. Excerpt from the manufacturer's website below: A moisture-regulating airtight sheet that combines moisture-proof and moisture-permeable performance to manage moisture inside the building frame throughout the year. The semi-transparent film allows you to check the position of the frame and insulation material from above the sheet. It has grid lines at 10cm intervals, allowing for cutting without a scale. Selling one full roll plus a little bit. - Brand: ISOVER - Product Name: Insulation Material Standard - Application: Insulation and soundproofing Isover Vario XtraSafe ISOVER Vario XtraSafe Smart moisture-regulating airtight sheet realizes the safety and long life of the structural frame. Product Name Product Number Water Vapor Diffusion Resistance Standard Quantity Design Price Isover Vario XtraSafe ISOVER Vario XtraSafe VARIOXS (23℃, 50%RH) 0.112 ㎡・s・Pa/ng Thickness: 0.25mm Width: 1500mm Length: 40M 1 roll (60㎡ 4.8kg/roll) List Price 32,400 yen / Thank you for viewing.