IMPORTANT NOTICE: Upon receiving our down feather pillow, use a dryer with 2 tennis balls on low heat to restore it to its 5-inch height. To maintain its fluffiness, expose it to sunlight for 2-3 hours regularly. Our pillows are easy to care for, machine washable, and can be flipped over. Enjoy a healthier sleeping experience with our pillows! HIGH QUALITY CRAFTSMANSHIP:Our double line technology is designed to prevent feather run out from the fabric, resulting in a higher quality product. With our 3 cm 14 needle, we exceed the international standard of 3 cm 10 needle, resulting in a more comfortable, soft and better down-proof effect. Choose our products for the highest quality and comfort. HIGH QUALITY FILLED: 90% grey duck feather and 10% grey duck down. This blend of materials not only provides excellent moisture absorption and breathability, but also creates a fluffy and comfortable sleeping experience. With its cervical vertebra protection and four-season appropriateness, this product is sure to improve your sleep quality. Choose our product for the ultimate sleep experience. HIGH QUALITY DOUBLE-LAYER DEAIGN: Our pillow use a double-layer down-proof design with two types of fabric to prevent feathers and down from poking through, giving you a perfect night's sleep. The top layer is made of selected natural undyed 100% cotton cover, which is gentle to your skin and breathable. The high-density cotton fabric is super soft and treated with certified ultra-fresh protection for added peace of mind. HAPPY PURCHASE: Upgrade your sleep quality with our home down pillows! Enjoy a 90-day trial period and hassle-free returns. We guarantee the best price in the market. Don't wait, try it now!