SIZE: A single 21 *54 body pillow with 100% polyester cover and soft, extra-breathable filling. Large and soft bed pillow insert made by Siluvia that maintains its form and medium firm support. Perfect for everyday usage, the structure and materials provide enduring comfort. SKIN-FRIENDLY AND COMFORTABLE: The superior breathable polyester fabric used to make the Siluvia body pillow is of high quality. The cushion is made more opulent, ornamental, and attractive by the delicate S logo embroidered on its quilted surface and its distinctive design. With an ultra-soft, high-standard polyester filling inside, it feels secure, noiseless, odor-free, and supportive without sacrificing softness.