100% Cotton King Size Pillow Protector, Zippered Allergy Pillow Cover | 21 x 37 in, Single, 2.6 Micron Mean Pore, AAFA Certified, Hypoallergenic Zippered Pillowcase Encasement, Machine Washable

Features

• Doctor & Allergist Recommended: National Allergy's patented 100% cotton weave features a proprietary 2.6 micron mean pore size, delivering tightly woven, breathable protection trusted by doctors, allergists, and families for decades.
• Secure Zippered Encasement: These pillow protectors with zipper closure encase your pillow on all six sides with a two-part system. The auto-locking zipper stays closed, and a fabric shield under the closure helps minimize any opening at the seam.
• Soft, Quiet & Breathable: The tight cotton weave lets heat escape so you sleep cool, with no crinkle, stiffness, or plastic membrane. A noiseless cover that preserves the natural feel and airflow of your pillow night after night.
• Fits King Size Pillows: White pillow case protectors, 21 x 37 inches, made for King bed pillows. Slip each cover under your everyday pillowcase for a durable protective layer. Also available in Standard and Queen.
• Easy Care, Not Waterproof: National Allergy's pillow protectors are machine washable with the zipper closed. These breathable cotton covers contain no plastic or vinyl membrane and are not designed to block liquids or spills.