The World's First Weighted Blanket. Proudly made in the USA for 21 years. Our blankets are designed to last a lifetime. We use two layers of blanket; First Layer is a cotton lined weighted blanket, Second Layer is the duvet cover that is securely attached and sewn by professional sewing operators in Los Angeles. The attached duvet cover prevents the inner liner from bunching up, falling to the side, and from tearing. Each blanket is made to order to ensure the best quality is provided.