Minimizes the escape of cold and warm air, improving cooling efficiency. The transparent sheets provide good visibility, preventing collisions with people, transport vehicles, and workers. The corners of the sheets are rounded (round edge processing) for safety. The overlapping structure provides high airtightness, and the weight of the sheets themselves prevents them from being affected by wind speeds of normal bad weather. Work can proceed with peace of mind. Blocks internal and external noise, and exhibits excellent effects in preventing diffusion. It also greatly contributes to pollution prevention. ※ Specifications: Thickness 2mm, Width 20cm, Length 30m, Capacity: One roll, Price: 25,900 yen