Weighted Gravity Blankets are engineered to be 7-12% of your body weight to relax the nervous system by simulating the feeling of being held or hugged. More specifically, Gravity uses the power of proprioceptive input (more commonly known as “deep touch pressure stimulation”), a well regarded therapeutic method that stimulates pressure points on the body linked to improved sleep, mood, and relaxation. Blanket and soft micro-fiber duvet are machine-washable.