Depending on the brand and blanket, care instructions will vary for weighted blankets. Some of them are easier to wash than others.  A lot of the best weighted blankets are machine washable -- in some way. Some have a removable cover, while others are fully machine washable on cold without a dryer cycle. However, others are spot clean only. Always read the label on your blanket for the exact details.  Read more: How to Wash A Weighted Blanket in 3 Easy Steps