Small Size Zippered Dust Cover for Arc4life Cltraction and Linear Gravity Small Pillows， White， Polyester/cotton Blend; Finished Size of Pillow Case Is 17.5"x23"<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> polyester cotton bleed </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> This Dust cover Fits a Small Size Pillow (20x15 pillow size) </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Keeps Your Neck Pillow Free of Dust Mites， Mold and Debris </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Easily Zip Up Pillow Covers are easy to put on and take off </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Composed of Polyester-cotton Fabric </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Simply put right into the washing machine- Dust cover can withstand more than 100 washings </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/417UirgmR0L.jpg" noproxy>