Of course, this seat cushion is very comfortable to use because it is breathable and comfortable, and it is not stuffy even after sitting for a long time. The seat cover can be removed for cleaning, making it easy to maintain. With an ergonomic design, it can effectively release pressure on the hips, and the hollow design provides sufficient cushioning space for the hips. It retains its shape well even after prolonged use due to its strong elasticity. It helps support proper posture and sitting alignment. It is constructed of polyester material. The cushion is 38 cm in length and 33 cm in width. Suitable for use as a home cushion, sofa cushion, car cushion, and more. Item Name: Cushion Material: Polyester Features: Easy to Clean, Comfortable, Solid Color, Durable Size Details: 38 cm x 33 cm / 14.96" x 12.99" (Approx.) Notes: Due to differences in lighting and screen settings, the item's color may vary slightly from the pictures. Please allow slight dimension differences due to manual measurement. Package Includes: 1 x Sciatica Pillow