Let me tell you about these ComfyDown pillow inserts - they're the secret to achieving that perfectly plump, professional-looking pillow arrangement everyone wants. Filled with a 95% duck feather and 5% down blend, these inserts strike the perfect balance between support and cloud-like comfort. The 100% cotton cover has a nice 233 thread count that feels soft and breathable, plus it's down-proof stitched so no feathers poke through (nobody wants that!). Here's the pro tip: always get an insert that's 1-2 inches larger than your sham for that full, luxurious look. So this 12x22 size is perfect for 11x21 or 10x20 shams. Thicker fabric shams need the 2-inch difference, thinner ones can do with 1-inch. They're made right here in the USA with careful hand-finishing that really shows in the quality. Perfect for decorative pillows on your couch or bed - they provide enough support to lean back on during movie nights but are soft enough to snuggle with. Just give them a good fluff before using and occasionally after to maintain their shape. You'll notice the difference quality makes when you see how beautifully they fill out your pillow covers!