Allersoft 100-Percent Cotton Bed Bug, Dust Mite & Allergy Control Mattress Protector, King 9-inch 100% Cotton Made in US QUALITY ASSURED, MADE IN THE USA | Unlike other products made in China and India, each Allersoft mattress protector is quality checked, lab tested, and made in the USA so you can sleep easy knowing youre sleeping on the best FULLY-ZIPPED PROTECTION |Many mattress protectors only offer partial coverage with 5-sided designs. Allersoft ensures full coverage with a fully zipped enclosure and autolocking zipper so you can rest easy knowing youre protected from harmful bed bugs, dust mites and allergens on all sides 100% BREATHABLE COTTON | Our 100% cotton mattress protectors are woven super-tight for ultimate protection, breathability, and comfort. Many other mattress protectors use polyester fibers which can collect allergens and feel scratchy and stiff. Our woven, 100% cotton covers feel smooth like a fine sheet and blends well with your mattress for exceptional comfort. COMFORT, MEET PROTECTION | Allersoft offers an allergen barrier with a pore size of 3.44 microns, ensuring that dust mites and allergens will not get through. With 100% cotton and a 300-thread count, this dust mite and allergy control mattress protector guarantees comfort and protection LIFETIME WARRANTY | Rest easy with our lifetime warranty on all mattress protectors. While other mattress covers sold in stores offer only 90 days of warranty, we guarantee lifetime protection. Each product contains easy instructions on how replacements can be requested in the event of an issue