---
product_id: 71122097
title: "100% Cotton King Size Pillow Protectors, Zippered Pillow Covers 2 Pack | 21 x 37 in, Set of 2, 2.6 Micron Mean Pore, AAFA Certified, Hypoallergenic Zippered Pillowcase Encasement, Machine Washable"
brand: "national allergy"
price: "R939"
currency: ZAR
in_stock: true
reviews_count: 13
category: "National Allergy"
url: https://www.desertcart.co.za/products/71122097-100-cotton-king-size-pillow-protectors-zippered-pillow-covers-2
store_origin: ZA
region: South Africa
---

# Auto-locking zipper closure 2.6 micron breathable pore size 100% heavyweight cotton weave 100% Cotton King Size Pillow Protectors, Zippered Pillow Covers 2 Pack | 21 x 37 in, Set of 2, 2.6 Micron Mean Pore, AAFA Certified, Hypoallergenic Zippered Pillowcase Encasement, Machine Washable

**Brand:** national allergy
**Price:** R939
**Availability:** ✅ In Stock

## Summary

> 🔒 Sleep Clean, Sleep Cool, Sleep Protected — Because Your Pillow Deserves the Best!

## Quick Answers

- **What is this?** 100% Cotton King Size Pillow Protectors, Zippered Pillow Covers 2 Pack | 21 x 37 in, Set of 2, 2.6 Micron Mean Pore, AAFA Certified, Hypoallergenic Zippered Pillowcase Encasement, Machine Washable by national allergy
- **How much does it cost?** R939 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/71122097-100-cotton-king-size-pillow-protectors-zippered-pillow-covers-2)

## Best For

- national allergy enthusiasts

## Why This Product

- Trusted national allergy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Cool & Quiet Sleep:** Breathable cotton weave lets heat escape with no crinkle or plastic noise
- • **Easy Care & Durable:** Machine washable with sturdy zipper, maintaining shape and protection wash after wash
- • **Perfect King Size Fit:** Generous 21 x 37 inch covers fit bulky pillows without shrinking or slipping
- • **Doctor & Allergist Approved:** Trusted 2.6 micron pore size blocks allergens without sacrificing airflow
- • **Secure All-Around Protection:** Zippered encasement seals all six sides with a fabric shield for zero gaps

## Overview

These 100% cotton king size pillow protectors feature a patented 2.6 micron pore weave that blocks allergens while allowing breathability. Designed with a secure auto-locking zipper and fabric shield, they fully encase pillows on all six sides. Soft, quiet, and durable, these protectors fit bulky king pillows perfectly and are machine washable for easy maintenance.

## Description

Buy 100% Cotton King Size Pillow Protectors, Zippered Pillow Covers 2 Pack | 21 x 37 in, Set of 2, 2.6 Micron Mean Pore, AAFA Certified, Hypoallergenic Zippered Pillowcase Encasement, Machine Washable: Pillow Protectors - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Exceptional quality 100% heavyweight cotton - I ordered a set of 2 in the standard size, and couldn’t believe the heavyweight quality for such a reasonable price. I have very expensive 750 fill goose down pillows that are almost too big for standard protecters/cases and these went right on with no struggle. Even stayed true to size with no shrinkage after washing/drying. The weave is so tight they were still incredibly stiff I was a little worried they would be uncomfortable. But that doesn’t negatively affect the feel of the pillow or outer case at all. The zipper is super sturdy too. And is well placed so you don’t feel it. These protecters will definitely keep your pillows clean and prevent yellowing. I will be ordering enough for all the pillows in my house! Honestly, I wouldn’t have imagined being this excited about purchasing pillow protectors
Review: Great pillow tick - Second set that I have bought. Great pillow protection, I like that the zipper isn’t exactly on the end and the edges are tucked in. They wash great and fit bulky pillows

## Features

- 100% Cotton
- Made in the USA or Imported
- 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: Set of 2 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.

## Product Details

- **Size:** King (21x37)
- **Material:** Cotton
- **Brand:** National Allergy
- **Color:** 2 Pack
- **Product Care Instructions:** Machine Wash

## Images

![100% Cotton King Size Pillow Protectors, Zippered Pillow Covers 2 Pack | 21 x 37 in, Set of 2, 2.6 Micron Mean Pore, AAFA Certified, Hypoallergenic Zippered Pillowcase Encasement, Machine Washable - Image 1](https://m.media-amazon.com/images/I/612D2H2PrqL.jpg)

## Available Options

This product comes in different **Size, Number Of Items** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Exceptional quality 100% heavyweight cotton
*by C***A on December 2, 2025*

I ordered a set of 2 in the standard size, and couldn’t believe the heavyweight quality for such a reasonable price. I have very expensive 750 fill goose down pillows that are almost too big for standard protecters/cases and these went right on with no struggle. Even stayed true to size with no shrinkage after washing/drying. The weave is so tight they were still incredibly stiff I was a little worried they would be uncomfortable. But that doesn’t negatively affect the feel of the pillow or outer case at all. The zipper is super sturdy too. And is well placed so you don’t feel it. These protecters will definitely keep your pillows clean and prevent yellowing. I will be ordering enough for all the pillows in my house! Honestly, I wouldn’t have imagined being this excited about purchasing pillow protectors

### ⭐⭐⭐⭐⭐ Great pillow tick
*by H***. on May 20, 2026*

Second set that I have bought. Great pillow protection, I like that the zipper isn’t exactly on the end and the edges are tucked in. They wash great and fit bulky pillows

### ⭐⭐⭐⭐⭐ So far I really like them.
*by S***H on February 4, 2023*

These are nice very crisp and cool cotton pillow protectors. They are a little on the bigger side making it very easy to slip my fluffy queen size down feather pillow inside but I would have preferred them to fit a little better. I know they were an in bigger in length and width but I thought they would shrink a bit but they didn't. I washed them in hot water and dried them on medium heat and they came out great but still just a bit too big. Once inside the pillow cases they don't look bad though as you can see in the photo. I do kinda wish I had tried the standard size but I was worried they would be too small. Because they are such a crisp cotton they do make a little noise when you shake them (see video) but once it's on your pillow with a pillow case you don't really notice it. They do seem like they will protect pillows well since they are such a tight crisp cotton. Since my down feather pillows are so expensive and I don't like waterproof protectors on down pillows I usually use 3 protectors on each pillow for extra protection. Two of these together on a pillow seem like they would really help protect my pillows especially with an additional cotton pillow protector under these. I know, I know it seems excessive.....I just like clean pillows. Lol Overall these are fantastic pillow protectors that are the perfect thickness and feel very durable and like they'll last a long time. All 3 zippers on the protectors are smooth and feel durable. I don't think they are water resistant so I'm not sure why it asks about that.... Reviews are important to me because I rely so heavily on them when making purchases. So I try to leave thorough reviews for other customers. I hope this review was helpful.

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-08-05*