--- 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: "฿14537" currency: THB in_stock: true reviews_count: 10 category: "Cosybay" url: https://www.desertcart.co.th/products/638545498-king-size-feather-down-fiber-comforter-ultra-fluffy-duvet-insert store_origin: TH region: Thailand --- # Duck feather & down fiber blend Breathable & lightweight 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:** ฿14537 **Availability:** ✅ In Stock ## Summary > 🛌 Elevate your sleep game with the duvet that feels like a 5-star hotel stay 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?** ฿14537 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/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 weightless sleep experience - • **All-Season Versatility:** Perfectly balanced warmth keeps you cozy year-round without overheating - • **Durability Meets Design:** Baffle box stitching and corner tabs prevent shifting and feather leakage for lasting luxury - • **Premium Safety Certified:** OEKO-TEX STANDARD 113 ensures skin-friendly, odorless, and hypoallergenic materials - • **Effortless Care & Longevity:** Machine washable with double-needle hemming for years of plush comfort ## Overview The Cosybay King Size Feather Down Fiber Comforter is a luxurious, ultra-soft duvet insert measuring 106x90 inches. Filled with a premium blend of duck feathers and down fibers, it offers breathable, lightweight warmth suitable for all seasons. Its OEKO-TEX certified cotton cover ensures safety and skin-friendliness, while durable baffle box construction and corner tabs keep the fill evenly distributed and secure. Designed for effortless care and long-lasting comfort, this modern blue comforter transforms any bedroom into a cozy, upscale retreat. ## 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: 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. Review: AMAZING. - Do not fall to the negative reviews! This is literally the comfiest blanket I’ve gotten so far. It’s cooling, and light to medium weight. My cat loves laying on it and she looks adorable and so comfy. She normally lays at my husband’s feet lol! There are a few tiny feathers floating around, but that’s the least of my worries. Would buy this over and over again. ## 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 | #244,672 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #209 in Bedding Duvets & Down Comforters | | Blanket Form | Duvet | | Brand | Cosybay | | Brand Name | Cosybay | | Color | Blue | | Customer Reviews | 4.4 out of 5 stars 812 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) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ 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. ### ⭐⭐⭐⭐⭐ AMAZING. *by V***C on March 31, 2025* Do not fall to the negative reviews! This is literally the comfiest blanket I’ve gotten so far. It’s cooling, and light to medium weight. My cat loves laying on it and she looks adorable and so comfy. She normally lays at my husband’s feet lol! There are a few tiny feathers floating around, but that’s the least of my worries. Would buy this over and over again. ### ⭐⭐⭐⭐⭐ Would buy again *by M***I on August 2, 2026* Color is exactly like the photo and it is so comfortable and fluffy ## 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 --- ## 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.co.th/products/638545498-king-size-feather-down-fiber-comforter-ultra-fluffy-duvet-insert](https://www.desertcart.co.th/products/638545498-king-size-feather-down-fiber-comforter-ultra-fluffy-duvet-insert) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-10-14*