Gravity is the only weighted blanket scientifically proven to improve sleep quality by an independent study of 1,000 nights of sleep (SleepScore).; 76% of people using the Gravity Blanket reported falling asleep faster and feeling more rested upon waking up in the morning. Gravity Weighted Blanket L Single: 15lbs Teal 48" X 72" Size: 15 lbs 48"x72"