---
product_id: 458295652
title: "Mainstays 6\" Innerspring Coil Mattress, Twin"
brand: "Mainstays"
price: "R$8341"
currency: BRL
in_stock: true
url: https://www.desertcart.com.br/products/458295652-mainstays-6-innerspring-coil-mattress-twin
store_origin: BR
region: Brazil
---

# Mainstays 6" Innerspring Coil Mattress, Twin

**Brand:** Mainstays
**Price:** R$8341
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Mainstays 6" Innerspring Coil Mattress, Twin by Mainstays
- **How much does it cost?** R$8341 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/458295652-mainstays-6-innerspring-coil-mattress-twin)

## 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

Ease your child's transition to a big kid bed with the Mainstays 6" Innerspring Coil Mattress. This mattress features tempered steel coils for consistent full-body support. The bright white exterior provides a clean and fresh presentation. This is the perfect bunk bed mattress or trundle bed mattress, available in Twin, Twin XL, and Full sizes. This bed-in-a-box ships compressed and rolled, arriving conveniently at your door. Allow 48 hours for expansion, then use your new Mainstays mattress on its own or with any bed frame and box spring.   PERFECT FIT: The six-inch profile of this spring mattress is perfect for bunk beds, trundle beds, and dorm rooms  No Assembly Required  Materials: Polyester, rayon, polyurethane foam, polypropylene, olefin, steel coils  PROTECTED PRODUCT: This product is backed by a one-year manufacturer’s warranty  Package Dimensions: 11” L x 11” W x 41” H; weighs 19 pounds  CHOOSE YOUR SIZE: Available in Twin, Twin XL, and Full configurations  Product Color: White  SHIP AND SLEEP: Ships compressed in a box right to your doorstep. Allow 48 hours for this mattress to fully expand before using  Assembled Product Dimensions: 74” L x 37.5” W x 6” H; weighs 20 pounds  Product Size: Twin  CHOOSE YOUR FRAME: Compatible with platform frames or a traditional box spring  FIRM SUPPORT: This firm mattress offers full-body support for any sleeper  SEND IT BACK: Free returns for 90 days if you are not fully satisfied

## Features

- Mattress-in-a-Box

## Images

![Mainstays 6" Innerspring Coil Mattress, Twin - Image 1](https://i5.walmartimages.com/asr/2165927d-11c3-47a8-94a0-4a1b6b46e743.95632b2e6dfecc8090bcddade8a37d92.jpeg)
![Mainstays 6" Innerspring Coil Mattress, Twin - Image 2](https://i5.walmartimages.com/asr/1b1b1100-03a2-4feb-8dbe-cf158ac6e4a7.508017bd1194ed125c67de1dc103332a.jpeg)
![Mainstays 6" Innerspring Coil Mattress, Twin - Image 3](https://i5.walmartimages.com/asr/e633baac-2a01-46e6-887a-6a619522d7ca.0861e164535c525917a04a343705acf5.jpeg)
![Mainstays 6" Innerspring Coil Mattress, Twin - Image 4](https://i5.walmartimages.com/asr/0e37513b-e57b-4c0a-a558-e19e53e6479b.6233a932d05a84f27ba19855bcaacbe2.jpeg)
![Mainstays 6" Innerspring Coil Mattress, Twin - Image 5](https://i5.walmartimages.com/asr/8ec0d08d-2266-4a75-9638-269af1cae968.221a9328f3b9849cc17195775886c025.jpeg)

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**Shop now:** [https://www.desertcart.com.br/products/458295652-mainstays-6-innerspring-coil-mattress-twin](https://www.desertcart.com.br/products/458295652-mainstays-6-innerspring-coil-mattress-twin)

---

*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-02-28*