You can use laundry bags in washing machine to protect delicates and use wool balls in dryer to help laundry dry more efficiently, perfect combination product for your daily laundry. Toss these wool dryer balls into your dryer, allowing the hot air to circulate better and dry faster by lifting and separating your laundry as they tumble, that will shorten drying time, soften and fluff fabric, and minimizing static cling. The mesh laundry bags are made of polyester, reusable and long-lasting usage, good protections for your clothes from being pulled or twisted during machine washing. Made of 100% premium wool with no synthetic fillers for our laundry clean Balls, chemical and fragrance free, can be reused for many loads of laundry. You will get 6pcs 2.4 inches wool dryer balls and 1 pack 12 x 16 inches mesh laundry bag and 1 pack 16 x 20 inches mesh laundry bag.