How to Wash a Weighted Blanket (Without Ruining It)
Weighted blankets are dense, heavy, and often filled with glass beads or plastic pellets — which makes them great for sleep, but risky to toss in a regular wash without a plan. Wash one the wrong way and you can end up with a torn seam, a lumpy filling, or a blanket too heavy and wet for your dryer to handle. Here's how to actually get one clean.
Check the Care Label First
Before anything else, check the tag. Weighted blankets vary a lot: some have a machine-washable outer shell with a removable duvet-style cover, some are fully machine washable as one piece, and some heavier ones (20 lb and up) are labeled hand-wash or spot-clean only. The filling material matters too — glass beads generally hold up better to washing than plastic poly pellets, which can shift or clump.
Can You Machine Wash a Weighted Blanket?
If your blanket has a removable cover, wash the cover on its own in a regular cycle and spot-clean the weighted insert as needed — this is by far the easiest option and the one most manufacturers recommend. If the blanket is a single piece and labeled machine washable, use a large-capacity or commercial washer (a standard home washer often can't handle the weight and bulk of anything over 10-12 lb), cold or warm water, a gentle cycle, and a mild, bleach-free detergent. Skip fabric softener, which can coat and clog glass beads over time.
How to Hand Wash a Heavier Weighted Blanket
For blankets too heavy for a washer, or ones labeled hand-wash only, fill a bathtub with lukewarm water and a small amount of mild detergent. Submerge the blanket, gently press and knead it to work the detergent through, then drain and rinse with clean water until no suds remain. Press out excess water rather than wringing or twisting, which can tear seams or shift the filling.
Drying a Weighted Blanket Safely
Lay the blanket flat to dry whenever possible — hanging it can stretch the fabric and cause the filling to settle unevenly at the bottom. If the care label allows dryer use, tumble dry on low heat and stop periodically to redistribute the filling by hand, since clumped beads or pellets take much longer to dry and can trap moisture, leading to mildew. Full drying can take a full day or more for heavier blankets, so plan around that if it's your only blanket in rotation.
How Often Should You Wash It?
If you use a removable cover, wash that weekly to biweekly like your other bedding, and wash the actual weighted insert only every few months or when visibly soiled. Without a cover, aim for once a month or so — frequent full washes are harder on the seams and filling over time.
Protecting Your Weighted Blanket Between Washes
The simplest fix is to add a washable duvet-style cover if your blanket didn't come with one, which keeps the heavy insert itself out of the wash almost entirely. Pair it with a breathable mattress topper if you tend to sleep hot under the extra weight, and see our guide on washing a mattress protector for the rest of your bedding care routine. Curious whether a weighted blanket and your current mattress are actually a good match for how you sleep? Take our sleep quiz for a personalized recommendation.
FAQ
How do you wash a weighted blanket?
Check the care label first. Blankets with a removable cover just need the cover washed regularly; single-piece blankets under about 10-12 lb can often go in a large-capacity washer on a gentle, cold-to-warm cycle with mild detergent, while heavier ones are safer hand-washed in a bathtub.
Can you put a weighted blanket in the dryer?
Only if the care label allows it, and on low heat. Redistribute the filling by hand every so often during the cycle to prevent clumping, and expect it to take significantly longer to dry than a standard blanket.
How heavy should a weighted blanket be?
A common guideline is about 10% of your body weight, though personal preference varies. Heavier blankets (15 lb and up) are also the ones most likely to require hand-washing rather than a home machine.
Do weighted blankets help with anxiety?
Many people report feeling calmer under the even, deep pressure of a weighted blanket, similar to the effect of a firm hug. It's not a substitute for professional care, but it's a low-risk addition to a wind-down routine for many sleepers.
What are the benefits of a weighted blanket?
Weighted blankets are generally used to promote a sense of calm and support relaxation before sleep through deep pressure stimulation, and some people find they fall asleep faster and wake less during the night while using one.
