---
product_id: 638545498
title: "King Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, Blue 106x90 Inch"
brand: "cosybay"
price: "AR$312455"
currency: ARS
in_stock: true
reviews_count: 10
category: "Cosybay"
url: https://www.desertcart.com.ar/products/638545498-king-size-feather-down-fiber-comforter-ultra-fluffy-duvet-insert
store_origin: AR
region: Argentina
---

# Duck feather & down fiber blend Breathable cotton shell 106x90 inch King Size King Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, Blue 106x90 Inch

**Brand:** cosybay
**Price:** AR$312455
**Availability:** ✅ In Stock

## Summary

> 🛌 Elevate your sleep game with cloud-level luxury every night!

## Quick Answers

- **What is this?** King Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, Blue 106x90 Inch by cosybay
- **How much does it cost?** AR$312455 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/638545498-king-size-feather-down-fiber-comforter-ultra-fluffy-duvet-insert)

## Best For

- cosybay enthusiasts

## Why This Product

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

## Key Features

- • **Cloud-Like Comfort:** Ultra fluffy duck feather & down blend for a lightweight, breathable sleep experience.
- • **Generous King Size:** Sprawling 106x90 inches to envelop you in cozy luxury every night.
- • **All-Season Versatility:** Perfectly balanced warmth and breathability for year-round comfort, no matter the season.
- • **Durability Meets Design:** Baffle box construction and corner tabs keep feathers in place and prevent shifting inside duvet covers.
- • **Certified Safe & Skin-Friendly:** OEKO-TEX STANDARD 113 certified cotton shell ensures odorless, hypoallergenic, and noiseless luxury.

## Overview

The Cosybay King Size Feather Down Fiber Comforter is a premium, ultra-fluffy duvet insert measuring 106x90 inches. Filled with a luxurious blend of duck feathers and down fibers, it offers lightweight, breathable warmth suitable for all seasons. Its OEKO-TEX certified cotton shell ensures skin-friendly comfort, while durable baffle box construction and corner tabs maintain feather distribution and prevent shifting. Ideal for those seeking hotel-quality bedding with lasting durability and a breathable, cozy sleep experience.

## Description

Buy Cosybay King Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, Blue 106x90 Inch: Duvets & Down Comforters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Excellent - I really wanted a down comforter. I wanted something fluffy and soft and luxurious feeling and looking. Down comforters are usually super expensive but I was on a budget and I didn't mind looking through multiple websites for the perfect item. desertcart was the only place that I could find that had something like this, both high quality and affordable. This down comforter has a 100% cotton shell as well as having down feathers inside. Even the more expensive products don't offer both. This is super comfortable, cute, and has good quality material. I highly recommend this down comforter.
Review: 5 star awesome. Don’t skip this one. - So soft, with a simple design that can go in a cover or as I am using as a simple white comforter. This comforter is totally breathable so I am cozy but not hot and sweaty. It has a great weight without being overwhelming. I am in love ♥️♥️♥️ and the price cannot be beat. Don’t skip this one.

## Features

- 【Fluffy & Lightweight】Filled with a luxurious blend of duck feather fibers, duck feathers, and duck down fibers, Cosybay blue duvet is ultra soft, lightweight, and breathable, providing a cloud-like sleeping experience. Sized at 106 X 90 inches, this lightweight KING duvet insert offers cozy warmth for a restful night's sleep. Ideal for bedroom, guest room, or hotel accommodations, this home collection offers luxurious bedding options.
- 【Premium Materials Certified for Safety】Cosybay bedding duvets & down fibers comforters has passed STANDARD 113 by OEKO-TEX Certified. The cover/shell of comforter is cotton, which makes the comforter extra fluffy, breathable. Premium material guarantees high cleanness, odorless, low noice and skin-friendly feather comforter.
- 【Durable & Exquisite Details】Premium baffle box design construction keeps down fibers and feathers evenly in place and resists from any leaking to ensure a stable and comfortable sleep. The four durable corner tabs prevent quilt from shifting inside duvet cover. Excellent double needle hemming design to ensure its longevity for years.
- 【All Season Duvet Insert】Cosybay's classic all-season duvet, with the perfect weight and thickness, is designed for year-round use, ensuring comfort in both hot and cool weather.
- 【Usage Care & Quality Assurance】It comes with vacuum packaging. Please gently tap and allow the comforter to sit for several hours to restore its original shape. Spot clean or dry clean if necessary. Your satisfaction is our top priority. Please feel free to contact us with any concerns, and we will spare no effort to solve the problems.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D1YD4T1G |
| Additional Features | Breathable, Durable, Lightweight, Skin Friendly, Ultra Soft |
| Age Range Description | All |
| Best Sellers Rank | #272,535 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #218 in Bedding Duvets & Down Comforters |
| Blanket Form | Duvet |
| Brand | Cosybay |
| Brand Name | Cosybay |
| Color | Blue |
| Customer Reviews | 4.4 out of 5 stars 809 Reviews |
| Fabric Type | Shell: Cotton |
| Fabric Warmth Description | Lightweight |
| Fill Material | Feather and downfiber |
| Item Dimensions L x W | 106"L x 90"W |
| Manufacturer | Cosybay |
| Manufacturer Part Number | DFC B |
| Material | Shell: Cotton |
| Material Type | Shell: Cotton |
| Model Name | DFC B-K |
| Model Number | DFC B |
| Number of Items | 1 |
| Pattern | Solid |
| Product Care Instructions | Machine washable in the gentle cycle with cold water, sun-dry or tumble dry on low. Do Not Dry Clean, Do Not Bleach, Do Not Iron. |
| Recommended Uses For Product | Napping |
| Seasons | All, Fall, Spring, Summer, Winter |
| Size | King |
| Special Feature | Breathable, Durable, Lightweight, Skin Friendly, Ultra Soft |
| Style | Modern |
| Style Name | Modern |
| Theme | Plain |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Cosybay
- **Color:** White
- **Material:** Shell: Cotton
- **Special Feature:** Breathable, Lightweight, Ultra Soft
- **Style:** Modern

## Images

![King Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, Blue 106x90 Inch - Image 1](https://m.media-amazon.com/images/I/714j5lvVJCL.jpg)
![King Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, Blue 106x90 Inch - Image 2](https://m.media-amazon.com/images/I/81ayxZTHqRL.jpg)
![King Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, Blue 106x90 Inch - Image 3](https://m.media-amazon.com/images/I/71B2nSMx64L.jpg)
![King Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, Blue 106x90 Inch - Image 4](https://m.media-amazon.com/images/I/71hqmLIrscL.jpg)
![King Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, Blue 106x90 Inch - Image 5](https://m.media-amazon.com/images/I/81V1yA-sXZL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent
*by B***H on September 2, 2025*

I really wanted a down comforter. I wanted something fluffy and soft and luxurious feeling and looking. Down comforters are usually super expensive but I was on a budget and I didn't mind looking through multiple websites for the perfect item. Amazon was the only place that I could find that had something like this, both high quality and affordable. This down comforter has a 100% cotton shell as well as having down feathers inside. Even the more expensive products don't offer both. This is super comfortable, cute, and has good quality material. I highly recommend this down comforter.

### ⭐⭐⭐⭐⭐ 5 star awesome. Don’t skip this one.
*by J***3 on November 2, 2025*

So soft, with a simple design that can go in a cover or as I am using as a simple white comforter. This comforter is totally breathable so I am cozy but not hot and sweaty. It has a great weight without being overwhelming. I am in love ♥️♥️♥️ and the price cannot be beat. Don’t skip this one.

### ⭐⭐⭐⭐⭐ You won't regret this purchase!
*by T***H on September 11, 2025*

I love this comforter! It is excellent quality, the fabric is smooth. This comforter is fluffy but not that fake polyester fluffy, it's like a plush fluffy, soft to the touch. It has a little feather weight to it, which let's you know that the quality is nice. It's nice enough to use it as is but I actually purchased a duvet cover to protect it from my college student's messy dorm room. My son can just remove the duvet cover and wash that vs washing the feather comforter; real feathers have a smell when they're wet. This product is definitely worth the coins!

## Frequently Bought Together

- Cosybay Feather and Downfiber Comforter King Size, Fluffy Duvet Insert King, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs (Blue,106"x90")
- Cal King Size 4 Piece Sheet Set - Comfy Breathable & Cooling Bed Sheets Set - Hotel Luxury Bedding for Women, Men, Kids & Teens - Deep Pockets, Easy-Fit, Super Soft & Wrinkle Free - Oeko-Tex - White
- Bedsure Grey Duvet Cover Queen Size - 3 Pieces Prewashed Extra Soft Bedding Set, Includes 1 Duvet Cover 90x90 Inches with Zipper Closure & 2 Pillow Shams, Comforter Not Included

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**Shop now:** [https://www.desertcart.com.ar/products/638545498-king-size-feather-down-fiber-comforter-ultra-fluffy-duvet-insert](https://www.desertcart.com.ar/products/638545498-king-size-feather-down-fiber-comforter-ultra-fluffy-duvet-insert)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-08-10*