NASA Temperature Regulating Cotton Blanket Laurel Green Twin 51% cotton/49% Outlast Acrylic Blanket absorbs, stores, and releases heat to prevent chills or overheating resulting in a more restorative sleep pattern using patented Outlast technology developed for NASA Since it adjusts to each sleeper's individual micro-climate, it's the perfect solution for couples and their varying body temperatures. Soft and cozy 51%/49% Cotton/acrylic blend is machine-washable, naturally antibacterial and odor resistant. Twin measures 66 inches W x 96 inches L, full 80 inches W x 96 inches L, queen 90 inches W x 96 inches L, and king 108 inches W x 96 inches L