If you’ve ever wondered if it’s OK to wash your down comforter without taking it to the dry cleaners, the answer is yes. You can absolutely wash your down comforter without spending upward of $60 (depending on the size, where you live and how dirty it is) to have it dry-cleaned professionally. All you need is mild detergent, wool dryer balls (or tennis balls), an extra-large front-loading washing machine, an extra-large dryer and a few hours to spend at a laundromat and patience. And if yours is a king-size comforter, a lot of patience.

Here are step-by-step instructions: