Description: When you first use them, they may shed some fuzzy wool on the clothes, that’s very natural. Please wash the fuzzy wool off before use. Or after several use, they will disappear. You may notice variations in size, color and texture because they are handmade, that’s very natural. Please don’t worry. Over-drying may increase static cling, try to dry shorter time to prevent static cling. The fiber clothing will cause static very easily, the cotton clothing will not. Instructions : When you want to dry your laundry, place your laundry and wool dryer balls together in the dryer, then turn on your dryer, you will be get more fluffy and neat laundry out of the dryer. If you load small or medium laundry, you can place 3-4 balls, if you load bigger laundry, you can place 5-6 balls for better use. We suggest do not dry great big loads of laundry at one time. Only dry loads that are small or medium sized. You can dry clothes, towels, sheets, blankets, jackets, and more with our WANTELL dryer balls. If you want, you can add some essential oil in the wool dryer balls before use, then you will get more fragrant clothes. How the wool dryer balls work: You place the wool dryer balls along with your laundry into the dryer, the balls will get in between your laundry after you turn on the dryer. They will separate your laundry and let more hot air get in between, will let the laundry dry more faster and also they can suck the evaporated water of the dryer and the water of your clothes. Package Include: 6 X Wool Dryer Balls 1 x Cotton Laundry Bag