---
product_id: 460652615
title: "Mainstays Waterproof Mattress Pad, King"
brand: "Mainstays"
price: "£31.78"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/460652615-mainstays-waterproof-mattress-pad-king
store_origin: GB
region: United Kingdom
---

# Mainstays Waterproof Mattress Pad, King

**Brand:** Mainstays
**Price:** £31.78
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Mainstays Waterproof Mattress Pad, King by Mainstays
- **How much does it cost?** £31.78 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/460652615-mainstays-waterproof-mattress-pad-king)

## Best For

- Mainstays enthusiasts

## Why This Product

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

## Description

Keep your mattress protected with the Mainstays Waterproof Mattress Pad. This soft and durable pad uses a 100% polyurethane laminated quiet barrier to provide premium waterproof protection for your mattress. 100% polyester fill is treated with Microban Antimicrobial to reduce odor and improve freshness. The Mainstays Waterproof Mattress Pad has a skirt that fits mattresses up to 15" thick to stay in place firmly without slipping and sliding during the night. Easily cared for, simply machine washes this pad as needed. Available in Twin/Twin XL, Full, Queen, and King Sizes. Mainstays Waterproof Mattress Pad, King:   Helps extends the life of your mattress  Features a 100% polyester knit top for softness and durability  Knit top treated with Scotchgard Stain Release and Moisture Wicking to keep the pad looking fresh and clean while wicking away moisture for cool breathability  Fits mattresses up to 15" thick  OEKO-TEX Certified.  Twin/Twin XL Dimensions: 39" x 80" x 13"  Full Dimensions: 54" x 75" x 13"  Queen Dimensions: 60" x 80" x 13"  King Dimensions: 76" x 80" x 13"

## Features

- Waterproof

## Images

![Mainstays Waterproof Mattress Pad, King - Image 1](https://i5.walmartimages.com/asr/0df843fd-5872-4839-aa68-af22768f0011_3.a0a72100fb1192ca0b1ad01c02110173.jpeg)
![Mainstays Waterproof Mattress Pad, King - Image 2](https://i5.walmartimages.com/asr/6af67d45-657e-4fa2-a974-ef0b4d190b92.c4b316fcb292992f6d1abce31c8e5bd9.jpeg)
![Mainstays Waterproof Mattress Pad, King - Image 3](https://i5.walmartimages.com/asr/178fba03-8e31-4745-b21a-02d40363f47a_3.d09ba927bf08f04553898568ddbd91bf.jpeg)
![Mainstays Waterproof Mattress Pad, King - Image 4](https://i5.walmartimages.com/asr/a3f3cf44-7734-4941-a93f-31df7b623301_3.b5aa4c58a86b7a2f72251d60320b86d6.jpeg)
![Mainstays Waterproof Mattress Pad, King - Image 5](https://i5.walmartimages.com/asr/86006f04-0e0c-4070-9dc6-55e09dda68e0_3.30ef84ad2e0dfc76c00651b1cb05bce8.jpeg)

---

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**Shop now:** [https://www.desertcart.co.uk/products/460652615-mainstays-waterproof-mattress-pad-king](https://www.desertcart.co.uk/products/460652615-mainstays-waterproof-mattress-pad-king)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-30*