Is the Weighted Blanket machine washable? August 12, 2020 14:38 The outer cover is machine washable. The inner weighted blanket can be spot cleaned. Related articles Does the Weighted Blanket get hot? What is the science behind Weighted Blankets? Who is the Weighted Blanket made for? How does the Helix Weighted Blanket work? Can I use a bed frame with my new Adjustable Base?