---
product_id: 683517607
title: "Cosybay King Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season White Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, 106x90 Inch"
brand: "cosybay"
price: "$181.05"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/683517607-cosybay-king-size-feather-down-fiber-comforter-ultra-fluffy-duvet
store_origin: US
region: United States of America
---

# Ultra fluffy duck down blend All-season temperature control 106x90 inch King size Cosybay King Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season White Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, 106x90 Inch

**Brand:** cosybay
**Price:** $181.05
**Availability:** ✅ In Stock

## Summary

> ☁️ Sleep like royalty every night with Cosybay’s ultra-fluffy king comforter!

## Quick Answers

- **What is this?** Cosybay King Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season White Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, 106x90 Inch by cosybay
- **How much does it cost?** $181.05 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/683517607-cosybay-king-size-feather-down-fiber-comforter-ultra-fluffy-duvet)

## 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:** Experience ultra-soft, lightweight warmth with a premium duck feather and down fiber blend.
- • **Generous King Size:** Sprawling 106x90 inches to envelop your bed in luxurious coziness.
- • **All-Season Versatility:** Perfectly balanced thickness keeps you comfortable year-round, no matter the weather.
- • **Durability Meets Design:** Baffle box stitching and corner tabs prevent shifting and feather leakage for lasting quality.
- • **Certified Safe & Breathable:** OEKO-TEX STANDARD 103 certified cotton cover ensures skin-friendly, odorless, and noiseless sleep.

## Overview

The Cosybay King Size Feather Down Fiber Comforter is a 106x90 inch ultra-lightweight duvet filled with a luxurious blend of duck feathers and down fibers. Featuring a breathable cotton cover and baffle box construction, it offers all-season comfort with durability and certified safety, making it ideal for a premium hotel-like sleep experience at home.

## Description

Full description not available

## Features

- 【Fluffy & Lightweight】Filled with a luxurious blend of duck feather fibers, duck feathers, and duck down fibers, Cosybay white 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 103 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.

## Product Details

- **Material:** Down Fiber, Feather, Feather Fiber
- **Color:** White
- **Brand:** Cosybay
- **Special Feature:** Breathable, Durable, Lightweight, Skin Friendly, Ultra Soft
- **Style:** Modern

## Images

![Cosybay King Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season White Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, 106x90 Inch - Image 1](https://m.media-amazon.com/images/I/71GuLUbWlsL.jpg)
![Cosybay King Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season White Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, 106x90 Inch - Image 2](https://m.media-amazon.com/images/I/71TpqfID5PL.jpg)
![Cosybay King Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season White Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, 106x90 Inch - Image 3](https://m.media-amazon.com/images/I/717UiGaqDoL.jpg)
![Cosybay King Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season White Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, 106x90 Inch - Image 4](https://m.media-amazon.com/images/I/71f5a1yU7OL.jpg)
![Cosybay King Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season White Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, 106x90 Inch - Image 5](https://m.media-amazon.com/images/I/71fegocdLiL.jpg)

## Available Options

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

## Questions & Answers

**Q: IS IT BREATHABLE?**
A: The Cover/Shell of Comforter is Cotton, Which Makes the Comforter Extra Breathable.

**Q: WHAT SEASON CAN I USE IT IN?**
A: Cosybay's Classic All-Season Duvet is Designed for Year-Round Comfort, Providing Warmth in Both Hot and Cool Weather.

**Q: MEASUREMENTS & DIMENSIONS?**
A: Twin 68"x90" ,Full 82"x86" ,Queen 90"x90" ,CAL King 104"X96" , King 106"X90" , Oversized Queen 98"X98",Oversized King 116"X98".

## Frequently Bought Together

- Cosybay Feather and Down Fiber Comforter King Size, Ultra Fluffy Duvet Insert, All Season White Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, 106"x90"
- AveLom Seersucker Duvet Cover Set King Size (104 x 90 inches), 3 Pieces (1 Duvet Cover + 2 Pillow Cases), Dark Gray Ultra Soft Washed Microfiber, Textured Duvet Cover with Zipper Closure, Corner Ties

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-01-26*