I have a few blankets that say the same thing.

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Also known as “I’m never buying this jacket”

Adding tennis balls to my dryer has been weirdly awesome! Everything gets dry when I use them but doesn’t if I don’t, so I throw two tennis balls in the dryer every time now.

And you have the fluffiest softest tennis balls in the world!

They sell boxes of dryer balls nowadays. They work great to separate clothes

Wool dryer balls will work better.

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They fluff up the blanket as it dries. Works on down jackets, too.

Nah it’s a real thing. I never thought about tennis balls specifically, but it has something to do with the small object helping to continuously move/shift the articles in the dryer so they can get a more even dry. Helps prevent stuff like when blankets get all rolled up so the center is still damp.

I would love to know dry cleaning isn't an option.