They will also keep air out! The Healthy, breathable cotton blend will not trap air inside your pillow.
Guardmax Jersey Knitted Pillow Protector with Zipper King Size - 4 Pack - 100% Waterproof, Bed Bug Proof, Dust Mite Proof, & Hypoallergenic Pillow Covers - Premium Zippered Pillow Cases. (20 X 36)
Micropuff Hypoallergenic Microfiber Pillow Protector with Zipper
Beedsooth King size Waterproof Mattress Encasement - (150x200x25cm) Premium Bed Bug Proof Mattress Protector With Zipper Hypoallergenic Dust Mite Proof Anti Allergy Fully Zip Mattress Cover
Quilted Mattress Protector with Zipper Closure Waterproof Hypoallergenic Mattress Cover for Double/Single/King Size Beds Machine Washable Dust Mite Resistant 180x200cm Blue
Gorilla Gesund Soft Hygiene Protective Cover for Silver Neck Pillow - 40 x 80 cm, Waterproof, Breathable & Dust Mite Resistant - Allergy Sufferers Pillow Protector with Zip
Utopia Bedding 4 Pack Waterproof Pillow Protectors with Zipper Standard Size (Black), Bed Bug and Dust Mite Proof Pillow case Covers, Moisture Wicking Pillow Encasements 20 x 26 Inches
