1. Soft and comfortable: The high quality creates a comfortable feel, making this memory foam seat cushion perfect for long periods of use. Enjoy a luxurious seating experience that keeps you comfortable and relaxed all day long. 2. Breathable design: This thick chair cushion is lined with birdseye cloth to promote air circulation, keeping you cool and preventing heat buildup. Perfect for long periods of sitting, ensuring a fresh and comfortable seating experience. 3. Adaptive support: The high-density memory foam conforms to the of your body, providing personalized support and relieving pressure points. This adaptive design enhances comfort and support, making the donut seat cushion ideal for long periods of sitting. 4. Ergonomic structure: The hollow design of the office chair cushion encourages correct posture and relieves pressure on the coccyx, enhancing comfort when sitting for long periods of time. It promotes spinal alignment and helps prevent discomfort from bad sitting habits. 5. Pressure relief: This car seat cushion is ergonomically designed with memory technology to relieve back pain, sciatica, and coccyx discomfort. It is ideal for people with chronic pain or undergoing surgery, and its slow rebound function provides long-lasting support and comfort. Colour:Black Material:Memory Foam Package Contents: 1 x Seat cushion Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.