Write the next sentence in this paragraph:

How to clean a down pillow
Remove the pillow protector.
If you use a pillow protector for your down pillow, you'll want to remove it and wash it separately. You can typically wash your cover with the rest of your clothes if it's made of cotton.

Available choices:
(i) For the best ventilation, replace your pillow protector when you're ready to spend more time outdoors. Wash your sheets with hot, soapy water.;
(ii) If the cover is made of a delicate material like silk you'll want to run it through a separate, delicate wash. If the cover is made of silk, make sure to air dry the cover instead of putting it in your dryer or it may shrink or get damaged.;
(iii) Look for cover covers with felt embellishments along the perimeter, or with simple stencils along the edges. Clean lint out of the bottom of the pillow.;
(iv) However, some cover protectors are actually made of canvas. Some cover protectors are going to slide off in the wash, and some will come off under pressure from a washing machine.;
(ii)