The S&T INC. 2 Pack Reusable Dryer Balls save money, time and energy while softening and fluffing your laundry. The reusable dryer balls lift and separate your laundry in the dryer, providing better airflow for faster drying times. They also help reduce static and promote even drying. Simply toss the laundry balls into the dryer with your wet clothes. Use two to three balls for standard-size loads and four to six reusable dryer balls for larger loads. They're machine washable when they need to be refreshed, so you can use them again and again. Tips on the laundry dryer ball help to soften your clothes for an easy laundry softener without dryer sheets. Each dryer ball package includes two 2.5 in. balls offered in assorted colors. Not intended for commercial use. Don't exceed temperatures of 140°F (60°C).