---
product_id: 14009420
title: "Pillowflex Premium Polyester Throw Pillow Insert - 12x18- Ultra Soft Large Rectangle Throw Pillow, Couch Sham, Lumbar, Back, Sofa - Machine Washable - Decorative Accent Form - 1 Soft Pillow"
brand: "pillowflex"
price: "$55.76"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/14009420-pillowflex-premium-polyester-throw-pillow-insert-12x18-ultra-soft-large
store_origin: US
region: United States of America
---

# Perfect 12x18" fit for a plump look Ultra-soft 7D virgin fiber fill Proudly made in USA with sustainable materials Pillowflex Premium Polyester Throw Pillow Insert - 12x18- Ultra Soft Large Rectangle Throw Pillow, Couch Sham, Lumbar, Back, Sofa - Machine Washable - Decorative Accent Form - 1 Soft Pillow

**Brand:** pillowflex
**Price:** $55.76
**Availability:** ✅ In Stock

## Summary

> 🛋️ Elevate your space with plush perfection—because your couch deserves the best!

## Quick Answers

- **What is this?** Pillowflex Premium Polyester Throw Pillow Insert - 12x18- Ultra Soft Large Rectangle Throw Pillow, Couch Sham, Lumbar, Back, Sofa - Machine Washable - Decorative Accent Form - 1 Soft Pillow by pillowflex
- **How much does it cost?** $55.76 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/14009420-pillowflex-premium-polyester-throw-pillow-insert-12x18-ultra-soft-large)

## Best For

- pillowflex enthusiasts

## Why This Product

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

## Key Features

- • **Cloud-Like Comfort:** Premium 7D virgin fiber treated with silicon ensures softness without clumping—luxury you can feel
- • **Hypoallergenic & Clean:** Odorless, lint-free, and chemical-free for a fresh, allergy-safe environment
- • **Support Local, Sleep Global:** Crafted sustainably in Palmetto, GA—embrace quality that supports American manufacturing
- • **Tailored Fit, Flawless Form:** Engineered to perfectly fill 12x16 to 12x18 shams for that enviable plush look
- • **Durability Meets Convenience:** Built-in safety stitch and machine washable design keep your pillow looking pristine wash after wash

## Overview

The Pillowflex Premium Polyester Throw Pillow Insert (12x18) offers a perfect fit for various sham sizes, filled with ultra-soft, silicon-treated 7D virgin fiber for lasting comfort and no clumping. Hypoallergenic and free from harmful chemicals, this durable, machine-washable pillow is proudly made in the USA from sustainably sourced materials, combining luxury with responsible craftsmanship.

## Description

Full description not available

## Features

- CORRECT SIZE - From the provided size chart image, measure the corner of your shams and calculate the corner to corner dimension, regardless of the size marked. A 12"x18" insert is suitable for a 12"x16" 12"x17" 12"x18 or 11"x17" sham to ensure a "plump" and attractive look.
- SOFTNESS AND VERSATILITY - We provide luxurious pillow inserts crafted from soft, full 7D virgin fiber and treated with silicon to prevent clumping. Perfect for any couch, love seat, bed or reading nook, they'll bring comfort and class for a peaceful sleep.
- HYPOALLERGINIC - Our square pillow insert is made from American-made polyester fiber pillow insert for perfect balance of softness and firmness, free of odors, lint, dust, and free from any flame retardant chemicals. Ideal for throw or decorative pillow insert.
- At Pillowflex, we have a wide selection of high-quality, high-thread-count pillow shell that is not removable for every polyester pillow we craft. Furthermore, our products come with a built-in safety stitch to keep your pillow from unravelling in the wash.
- MADE IN USA - This high quality pillow, made from sustainably sourced fiber shell, is proudly crafted in Palmetto, GA, USA crafted from the finest materials, such as throw inserts, square pillow inserts and decorative pillow inserts. Support American Manufacturing.

## Product Details

- **Fill Material:** Polyester
- **Pillow Type:** Throw Pillow
- **Color:** White
- **Size:** 12 Inch by 18 Inch
- **Brand:** Pillowflex

## Images

![Pillowflex Premium Polyester Throw Pillow Insert - 12x18- Ultra Soft Large Rectangle Throw Pillow, Couch Sham, Lumbar, Back, Sofa - Machine Washable - Decorative Accent Form - 1 Soft Pillow - Image 1](https://m.media-amazon.com/images/I/61oZ1ybj1GL.jpg)

## Available Options

This product comes in different **Size** options.

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**Shop now:** [https://www.desertcart.us/products/14009420-pillowflex-premium-polyester-throw-pillow-insert-12x18-ultra-soft-large](https://www.desertcart.us/products/14009420-pillowflex-premium-polyester-throw-pillow-insert-12x18-ultra-soft-large)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-04-26*