10 Best Thick Duvet Insert 2024 in the US

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Box Style Stitching: Prevents fill from shifting with elegant style.

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Siliconized Fiberfill: Provides a comfy and cozy feel with soft material.

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Corner Tabs: Easily secures comforter in place with duvet cover.

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Machine Washable: Easy care with gentle cycle and cold water wash.

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All-Season Comfort: 300 GSM polyester fill for year-round coziness.

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Multiple Sizes: Available in sizes from Twin to Oversized King.

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Box-Stitch Design: Ensures even fill distribution and shape retention.

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Practical Design: 8 tabs for use as a duvet insert.

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Easy Care: Machine washable and tumble dry for easy maintenance.

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100% Down Fiber Filling: Provides excellent warmth and cooling properties, offering year-round comfort with lightweight and soft down fiber.

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Silky Smooth Fabric: 430 Thread Count cotton blend shell for a velvety softness and tranquil sleep experience.

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Durable Design: Features box-stitch quilting to keep fillings evenly distributed, double-stitched seams, and black piping for a luxurious appearance.

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Convenient Features: Includes 8 corner tabs for easy duvet cover attachment, enhancing the comforter's functionality.

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Ethically Sourced: Certified, responsibly harvested down fiber, ensuring high quality and ethical standards.

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Fluffy and Lightweight: Offers sink-in softness with a feather and down blend.

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OEKO-TEX Certified: Ensures high cleanness, odorless, and skin-friendly material.

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Box-Stitch Quilting: Keeps filling in place and prevents leaking for stable sleep.

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Multiple Sizes and Colors: Available in 7 sizes, 2 colors, and 2 thickness options.

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Convenient Care Instructions: Spot clean or dry clean; use a duvet cover for longevity.

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Peach-skin fabric surface: Ultra soft, fluffy, noise-free, and breathable.

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All-Season Comforter: Cooling and warming, suitable for all seasons.

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Box-Stitch Quilting: Prevents filling leakage and keeps comforter in place.

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Machine Washable: Easy care with no shrinkage or fading.

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90-day Satisfaction Guarantee: Customer service support for product issues.

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Eco-Friendly Down: High-quality, recycled Canadian Duck and Goose Down, ethically sourced from Hutterite Farms.

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100% Cotton Sateen Shell: Silky-smooth shell for a luxurious feel and improved breathability.

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All-Season Warmth: 700 fill power ideal for year-round comfort, providing the perfect balance of coziness without overheating.

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Varied Warmth Levels: Options to match different warmth preferences, all within a soft Long Staple Cotton Weave shell.

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Baffle Box Construction: Ensures even distribution of fill for consistent fluffiness and warmth, with corner loops to secure duvet cover.

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Eucalyptus Fabric Cover: Super soft cover feels like whipped cream.

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Recycled Polyester Fiber: Filled for cloud-like comfort.

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Eco-friendly Duvet Insert: Keeps 50 plastic bottles out of landfills.

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Generous Dimensions: Measures 90 x 105 inches.

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Machine Washable: Easy to clean and maintain.

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All Season Comfort: 300 gsm fill for year-round use, lightweight yet cozy.

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Hypoallergenic Fill: Down alternative fill, ideal for allergy sufferers.

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Quilted Design: Box-stitched to maintain shape and classic look.

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Versatile Use: Functions as both comforter and duvet insert.

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Easy Care: Machine washable with a 3-year warranty.

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Organic Cotton Shell: 100% organic cotton, 233 thread count, double brushed for softness.

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Premium Feather Fill: Extra fluffy, responsibly sourced, allergy-friendly feathers.

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All-Season Use: 106x90 inches, 250gsm fill weight for year-round comfort.

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3D Baffle Box Design: Prevents clumping, ensures even distribution and warmth.

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Durable Construction: 8 corner tabs and double-stitched edges for longevity.

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Premium Material: 90% duck feathers, 10% duck down for warmth and comfort.

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All-Season Comfort: Three weight options and four sizes for year-round use.

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Thoughtful Design: Box-stitch construction and double-needle stitching for durability.

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Easy Care: Machine washable with a free storage bag for convenience.

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Luxury Feel: 100% cotton shell for breathability and elegance.