MicronOne Anti-Allergen Pillow Case Sham Cover, White, Size 27.5" x 19.5" | eBay
Amazon.com: TRU Lite Bedding Anti Allergy Dirt Pillow Cases | Irritant Protector | Premium Breathable Terry Cotton Cover | 100% Waterproof | Zippered Encasement | Set of 2 | Standard Size : Home & Kitchen