A Side:100% Cotton,b Side:100% Polyester Cotton Canvas: Our vintage pillow covers feature a 100% cotton front, offering a soft, breathable, and skin-friendly touch with a natural texture and lasting durability. The back side is crafted from plush polyester fleece, providing a luxuriously soft feel, making it perfect for all-season comfort Sleep Zone Embroidered Craft Pillow insert cover C design (Black+Yellow,18*18in)