Honey-Can-Do DRY-01116 Fabric Softener Ball, 2 Pack

I have those. They do nothing besides making drying noises louder.

Yeah, 90% stuff (I am exaggerating) you eat or touch daily has that disclaimer...Sadly ppl are still alive in CA, not turning into zombies yet //@Anonymous: Important information
Legal Disclaimer :
This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Exactly. I haven't found anything other than water and air that's not on this list. //@Anonymous: All chemicals are known to cause issues in the state of California. :-) //@Anonymous: Important information
Legal Disclaimer :
This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

All chemicals are known to cause issues in the state of California. :-) //@Anonymous: Important information
Legal Disclaimer :
This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Every single product made these days has that warning, so many that the warning is pretty much meaningless now. //@anonymous: Important information
Legal Disclaimer :
This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Important information
Legal Disclaimer :
This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

These seem really cheap, but be careful to look at the negative reviews. They don't work like "real" dryer balls, and they don't last long.