Pristine PREMIUM Dust Mite &amp; Allergen Proof Pillow Encasing<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Scientifically tested and proven to protect against dust mites and bed bugs. Standard Size is 21''x27''</li><li>Anti-microbial treatment to inhibit mold and mildew growth</li><li>Oeko-Tex® Certified to be free of harmful substances that can irritate skin</li><li>248-thread count， 100% polyester microfiber provides a supple， cotton-like， feel but wont degrade after repeated washings like cotton</li><li>With a YKK zipper， double stitching， binded seams， &amp; dual material flaps at the zipper area to further block allergen particles， this encasing is built to last the test of time. Lifetime Warranty.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31J4wWR9n1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51UYVfSmKIL.jpg" noproxy>