---
product_id: 340415660
title: "OTOSTAR Premium Outdoor Throw Pillow Inserts 18x18 Inch Waterproof Pillow Inserts Pack of 4 Square Stuffers Decorative Sofa Cushion Insert for Bed Couch Sham Cushion Stuffer (White Set of 4)"
brand: "otostar"
price: "¥10460"
currency: JPY
in_stock: true
reviews_count: 13
url: https://www.desertcart.jp/products/340415660-otostar-premium-outdoor-throw-pillow-inserts-18x18-inch-waterproof-pillow
store_origin: JP
region: Japan
---

# Waterproof Pack of 4 Indoor/Outdoor OTOSTAR Premium Outdoor Throw Pillow Inserts 18x18 Inch Waterproof Pillow Inserts Pack of 4 Square Stuffers Decorative Sofa Cushion Insert for Bed Couch Sham Cushion Stuffer (White Set of 4)

**Brand:** otostar
**Price:** ¥10460
**Availability:** ✅ In Stock

## Summary

> 🌟 Elevate Your Comfort Game with OTOSTAR!

## Quick Answers

- **What is this?** OTOSTAR Premium Outdoor Throw Pillow Inserts 18x18 Inch Waterproof Pillow Inserts Pack of 4 Square Stuffers Decorative Sofa Cushion Insert for Bed Couch Sham Cushion Stuffer (White Set of 4) by otostar
- **How much does it cost?** ¥10460 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/340415660-otostar-premium-outdoor-throw-pillow-inserts-18x18-inch-waterproof-pillow)

## Best For

- otostar enthusiasts

## Why This Product

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

## Key Features

- • **Instant Fluff:** Unpack and watch them expand to their full glory!
- • **Transform Your Space:** Elevate your decor with plush, stylish support.
- • **Effortless Maintenance:** Machine washable for easy care and long-lasting fluffiness.
- • **Hypoallergenic Comfort:** Enjoy a soft, supportive experience without the sneezes.
- • **Weather-Resistant Wonder:** Perfect for both poolside lounging and cozy indoor settings.

## Overview

The OTOSTAR Premium Outdoor Throw Pillow Inserts are 18x18 inch waterproof cushions designed for both indoor and outdoor use. This pack of four features a durable polyester cover and hypoallergenic microfiber filling, ensuring they maintain their shape while providing excellent support. With an invisible zipper design and easy maintenance, these inserts are perfect for enhancing your living space or garden area.

## Description

OTOSTAR Premium Outdoor Throw Pillow Inserts 18x18 Inch Waterproof Pillow Inserts Pack of 4 Square Stuffers Decorative Sofa Cushion Insert for Bed Couch Sham Cushion Stuffer (White Set of 4)

## Features

- ★WATER RESISTANT & OUTDOOR THROW PILLOW INSERTS: Sturdy and good water impermeability, White Polyester cover and siliconized fiber filling will never make them look hollow. They also can be Used with Our waterproof pillow cases for double protection, suitable for outside. 7D hypoallergenic microfiber polyester filling, and invisible zipper design, well-designed cushion stuffer.
- ★GREAT OUTDOOR AND INDOOR DECORATIONS: Premium pillow inserts suitable for both indoor& outdoor, good decoration not only for indoor furniture but also for outdoor garden, patio, etc. Waterproof Cushion Covers could be used as a decorative pillows for your chair near the swimming pool or in the garden.
- ★SOFT BUT SUPPORTIVE: Polyester fillings are well-filled so it does a good job keeping the shape brilliantly. Plump enough for lumbar support. You will feel great to lay your head on or use as a back support in a chair or sofa.
- ★PACKAGE: Four pieces of 18x18 inch/45x45CM white pillow inserts are included. The package comes with a vacuum bag but immediately begin to expand when you open the package. Please give it some time to expand to their proper size.Warm Hint: For best using feeling, the pillow insert is recommended for 40x40 or 45x45cm pillow cover.
- ★WASHING TIPS: Gentle machine wash. Tumble dry or bask in the sun to help the pillow restore its fluffy shape.

## Images

![OTOSTAR Premium Outdoor Throw Pillow Inserts 18x18 Inch Waterproof Pillow Inserts Pack of 4 Square Stuffers Decorative Sofa Cushion Insert for Bed Couch Sham Cushion Stuffer (White Set of 4) - Image 1](https://m.media-amazon.com/images/I/51+cVkpN7vS.jpg)
![OTOSTAR Premium Outdoor Throw Pillow Inserts 18x18 Inch Waterproof Pillow Inserts Pack of 4 Square Stuffers Decorative Sofa Cushion Insert for Bed Couch Sham Cushion Stuffer (White Set of 4) - Image 2](https://m.media-amazon.com/images/I/61+IgfoL4RL.jpg)
![OTOSTAR Premium Outdoor Throw Pillow Inserts 18x18 Inch Waterproof Pillow Inserts Pack of 4 Square Stuffers Decorative Sofa Cushion Insert for Bed Couch Sham Cushion Stuffer (White Set of 4) - Image 3](https://m.media-amazon.com/images/I/81MxOp4x8oL.jpg)
![OTOSTAR Premium Outdoor Throw Pillow Inserts 18x18 Inch Waterproof Pillow Inserts Pack of 4 Square Stuffers Decorative Sofa Cushion Insert for Bed Couch Sham Cushion Stuffer (White Set of 4) - Image 4](https://m.media-amazon.com/images/I/712X8WHj8gL.jpg)
![OTOSTAR Premium Outdoor Throw Pillow Inserts 18x18 Inch Waterproof Pillow Inserts Pack of 4 Square Stuffers Decorative Sofa Cushion Insert for Bed Couch Sham Cushion Stuffer (White Set of 4) - Image 5](https://m.media-amazon.com/images/I/716zteTiZYL.jpg)

## Available Options

This product comes in different **Color, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Fantastic pillow inserts
  

*by C***C on Reviewed in the United States on June 29, 2023*

I am in love with these pillows! Well made, packaged, and marketed. Great quality and value. Soft, durable, dense... These pillows come vacuumed packed and includes a manual. There are 3 methods they recommend you use to get the best results of fluff. I used method 3: I placed them in my dryer for 30 minutes after a quick fluff... and boy do they fluff up! Testing with water, they do have some water wicking quality for light splashes of water, a mist here and there, but not so much under a drenching downpour. As with all of my outdoor cushions and pillows, I tend to be hyper protective, and put them away when not in use. I expect these to last quite some time. These are made really well, and I'm impressed.  Very happy with my purchase.**I purchased several of these pillows and have not run into any issues to-date. For best results follow the methods provided in the manual. I found that the dryer method was best and fastest, and provided ultimate fluff.***Firmness Tips: For EXTRA FIRM pillows, insert a larger pillow insert into a pillow cover that is one size smaller. Example: 20x20 Pillow insert placed inside of a 18x18 pillow cover for ultimate firmness. For REGULAR FIRM pillows, insert the same size pillow insert into a pillow cover of the same size. Example: 20x20 pillow insert placed inside of a 20x20 pillow cover for regular/general firmness.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Very firm
  

*by B***E on Reviewed in the United States on March 16, 2024*

These fit in my pillow covers nicely and are nice and firm

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Don’t Prejudge!
  

*by J***O on Reviewed in the United States on April 13, 2024*

Keep these! Upon opening these inserts I immediately decided I was going to return due to what seemed like very inadequate quality. Give these pillows a couple days; they’re amazing! I used the dryer method and I cannot believe how nice these pillows are. I’m glad I purchased them!

## Frequently Bought Together

- OTOSTAR Premium Outdoor Throw Pillow Inserts 18x18 Inch Waterproof Pack of 4 Square Decorative Sofa Pillow Stuffer for Bed Couch Sham Cushion (White Set of 4)
- OTOSTAR Pack of 4 Outdoor Pillow Covers 18x18 Inch Waterproof Modern Geometry Decorative Throw Pillow Cases Square Cushion Cases Garden Pillows Shell for Couch Patio Furniture Tent Balcony (Black)
- NiNi ALL Outdoor Waterproof Throw Pillow Covers Set of 2 Decorative Farmhouse Garden Pillowcase Solid Cushion Cases for Patio Tent Couch 18x18 inch Black

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.jp/products/340415660-otostar-premium-outdoor-throw-pillow-inserts-18x18-inch-waterproof-pillow](https://www.desertcart.jp/products/340415660-otostar-premium-outdoor-throw-pillow-inserts-18x18-inch-waterproof-pillow)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-29*