Allersoft Square Cotton Dust Mite and Allergy Control Pillow Protector, 20 by 20-Inch

Throw pillow protectors are hard to find. 100% cotton throw pillow protectors are nigh impossible. We need them to keep the down feathers from poking through and more importantly to alleviate allergies and asthma triggers. We use these National Allergy Premium 100% Cotton encasements on all our bed pillows, mattresses and comforters. They’re brilliant. These are NOT INTENDED TO BE WATERPROOF. The tight weave will actually give you some stain protection and extra time to grab a towel if someone spills, but they are not intended to keep pillows dry. Pure cotton, smooth, crisp, work flawlessly for our allergen purposes. Workmanship and zippers are quality. I buy one size smaller than my throw pillow for hotel-like plumpness (20x20 protector on 22x22 down pillow and 20x20 case). But you may want to buy the actual matching size if your insert is very firm or very full. Tips: I always wash before use to soften and remove any smells or dust from manufacturing. To avoid shrinkage and wrinkles — wash in warm on delicate, dry on low temp and take out ever so slightly damp, smooth with your hands, and finish drying on a rack (or over a chair). They wash beautifully like this, no ironing. Yes, they are definitely more expensive than the 100% polyester, polyurethane-lined versions. But they last forever with reasonable care (don’t overstuff or yank on the zippers 😊). And your pillows won’t shrinkwrap into pancakes, fill up like balloons, crinkle like plastic grocery bags or fire up like heating pads under your head. Try both types (like I have) — unless you need water resistance, betting you’ll choose the all-cotton.

Exactly as described. A perfect size for my 20x20 throw pillows. Would buy again.

We use feather pillows and these covers are great in cutting cost of laundering. They keep in the feathers, preserve the pillows and I love that the zippers on these cases are well made.

Washable. We use on feather pillows and they do a pretty good job keeping the feathers in. We "seam seal" the seams with fabric glue, which really helps seal the edges where most of the few feathers escape.

As other reviews noted, the size runs small but I stuffed my feather cushions in, resulting in the covers looking a bit baggy. However Happy to say no more feathers poking through so meets the purpose.