---
product_id: 609866451
title: "Couch Cushion Support for Sagging Seat, 50.5x50.5cm High Density Foam Support for Under the Cushion, Sofa Cushions Replacement, Insert Cushion Support Board for Sectional Sofa"
brand: "acidea"
price: "€ 40.56"
currency: EUR
in_stock: true
url: https://www.desertcart.es/products/609866451-couch-cushion-support-for-sagging-seat-50-5x50-5cm-high
store_origin: ES
region: Spain
---

# Instant sag repair & stability 50.5x50.5 cm perfect fit 45D high-density foam firmness Couch Cushion Support for Sagging Seat, 50.5x50.5cm High Density Foam Support for Under the Cushion, Sofa Cushions Replacement, Insert Cushion Support Board for Sectional Sofa

**Brand:** acidea
**Price:** € 40.56
**Availability:** ✅ In Stock

## Summary

> 🛋️ Elevate your lounge game—comfort that’s felt, not seen!

## Quick Answers

- **What is this?** Couch Cushion Support for Sagging Seat, 50.5x50.5cm High Density Foam Support for Under the Cushion, Sofa Cushions Replacement, Insert Cushion Support Board for Sectional Sofa by acidea
- **How much does it cost?** € 40.56 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/609866451-couch-cushion-support-for-sagging-seat-50-5x50-5cm-high)

## Best For

- acidea enthusiasts

## Why This Product

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

## Key Features

- • **Ergonomic Comfort Boost:** Curved design enhances posture and eases rising from your couch.
- • **High-Density Foam Power:** Crafted with 45D foam for superior firmness and long-lasting resilience.
- • **Quick & Easy Installation:** Simply slide into place—no tools, no hassle, instant sofa revival.
- • **Cost-Effective Sofa Savior:** Restore your sagging cushions and avoid expensive replacements.
- • **Precision Fit, Invisible Support:** Sized to seamlessly tuck under any sofa cushion without altering your décor.

## Overview

The Acidea Couch Cushion Support is a 50.5x50.5 cm high-density 45D foam insert designed to restore sagging sofa cushions. Its ergonomic curved shape provides enhanced comfort and stability, easily fitting under cushions without being visible. Lightweight and compressible, it offers a quick, cost-effective solution to prolong your sofa’s life and improve seating comfort.

## Description

Couch Cushion Support for Sagging Seat, 50.5x50.5cm High Density Foam Support for Under the Cushion, Sofa Cushions Replacement, Insert Cushion Support Board for Sectional Sofa

## Features

- Perfect Size: Couch sofa cushion support measures at 50.5 x 50.5 cm, this size can perfectly fit under the sofa cushion without showing, no matter what color your sofa is suitable. Warm Tips: The cushion sag repair replacement is Vacuum packing and can be restored after being opened for a day or so.
- Repair Sagging Sofa: The curved couch support cushion can effectively repair the sagging of the sofa caused by long-term use and restore the original support of the sofa.
- High Density Foam: Sofa sag repair is made of 45D high-density foam with high firmness, it can well improve the support of the sofa cushion; High rebound and high durability can better repair the sofa sagging and reduces pain and aches from sitting on sagging furniture.
- Easy to Use: Simply tuck couch cushion support into the crease at the back of your furniture where the back meets the cushion bed to immediately restore stability to your sofa and save the cost of replacing it. Or it can be trimmed to size.
- Elevate Comfort: Unlike hard-covered plastic or wood board sofa products that can not fill cushion sags, Acidea couch cushion support is made from high-quality upholstery foam. No more discomfort or noise from failing board fixes. Curve enhances ergonomics, making sitting more comfortable and rising from the couch much easier.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Acidea |
| Model Number | Couch Support-20x20-W-1PK |
| Colour | White |
| Product Dimensions | 50 x 5 x 50 cm; 300 g |
| Special Features | Compressible |
| Item Weight | 300 g |

## Product Details

- **Brand:** Acidea
- **Assembly required:** No
- **Seat depth:** 50.5 centimetres
- **Product dimensions:** 50.5D x 50.5W x 5H centimetres
- **Item weight:** 0.3 Kilograms
- **Type:** Standard
- **Colour:** White
- **Special feature:** Compressible
- **Shape:** Square
- **Arm style:** Armless

## Images

![Couch Cushion Support for Sagging Seat, 50.5x50.5cm High Density Foam Support for Under the Cushion, Sofa Cushions Replacement, Insert Cushion Support Board for Sectional Sofa - Image 1](https://m.media-amazon.com/images/I/51YajtsotTL.jpg)

## Frequently Bought Together

- Acidea Couch Cushion Support for Sagging Seat, 50.5x50.5cm High Density Foam Sofa Cushion Support for Under the Cushion, Sofa Cushions Replacement, Insert Sofa Cushion Support Board for Sectional Sofa
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- LAVEVE Heavy Duty Couch Cushion Support for Sagging Seat 21.5''x70'', Thicken Solid Wood Sofa Under Cushions Boards,Perfectly Fix and Protect Seat, Extend Life

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**Shop now:** [https://www.desertcart.es/products/609866451-couch-cushion-support-for-sagging-seat-50-5x50-5cm-high](https://www.desertcart.es/products/609866451-couch-cushion-support-for-sagging-seat-50-5x50-5cm-high)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-12*