Have you guys tried these yet? Amazon has the Wool Dryer Balls XL Premium Reusable Natural Fabric Softener (6 Pack) Only $9.83 when you use coupon code EARTHD42 at checkout! (Reg. $17) These have over 16,000 great reviews, so you know they have been tested. Keep in mind, Amazon pricing can change at any time! Don’t wait to purchase this deal or it might be gone when you come back!

This item will ship free for all Amazon Prime members. Or, regular members can score free shipping by adding $25 or more worth of eligible items to your cart. You can get a 30-day free trial of Amazon Prime here.