3M Thinsulate Insulation Material, Ultra-fine Fiber, Double Layer, LockHeat Rapid Warmth Heat-Generating Fiber, Blanket with Collar, Flannel, Comforter, HOT】 Double Layer Blanket 【SUPER Four-Layer Construction, Winter Use, Warmth Retention, Lightweight, Single, Washable, Thick, Non-shedding, Thinsulate Blanket, Anti-static, Livi ‐ Mercari: Shop from Japan