What Is Tumble Dry? Learn How to Tumble Dry | Whirlpool To tumble dry your clothes, loosely place dryer-safe clothing in the dryer and select the proper cycle and temperature setting. Any clothing with the tumble dry symbol, a square with a large circle inscribed in it, can go in the dryer, but some garments require a certain heat setting (the more small black dots inside the circle, the higher the ...