Cooling Pillowcases, Double-Sided Cooling Pillow Cover with Zipper, Cool Pillow Protector for Night Sweats and Hot Sleepers, Anti-Static, Skin-Friendly (Standard, 20" X 26", Gray) - Walmart.com
CleanAir® Allergy Relief Pillow Protector — Bargoose Home Textiles, Inc.
Hygea Natural Premium Polyester Queen Size Bed Bug Pillow Protector (2-Pack) HYB-QPL - The Home Depot