New Fuwawa Shiki Pad for Winter, Extremely Warm, Semi-Double, Made with Mt. Fuji Lava Fiber "TECHNO HEAT", Far Infrared, Quick Heating, Heat Retention, 6-Layer Structure, 300g/m2, Ultra-Fine Flannel, Cat-Hair-Like Softness, Warm Until Morning, Antibacterial, Odor-Resistant, Anti-Mite, Anti-Static, Moisture-Wicking, Heat-Generating, Breathable, Washable, Be ‐ Mercari: Shop from Japan