Features: 1. Special elastic support cushion supports your back and spine so well, you can sit on the egg without breaking it - no other chair seat cushion can make such a promise 2. Unique elastic honeycomb design allows air to circulate and keeps you cool, unlike memory foam office chairs, sciatic pillows or foam cushions 3. Strong and durable, it holds its shape, making it an excellent back pain chair and orthopedic chair Supports so well you can sit on the egg Sitting for long periods of time puts pressure on your tailbone and hips. Relieve your painful spine and back with support cushions so well you can sit on the egg without breaking it. Say goodbye to sore, stiff muscles from sitting all day or long car rides. Standard support cushions require a hole to be cut in the cushion to support your tailbone. Bends and conforms to your tailbone and shape, absorbing pressure points. Ahead of the rest with its unique honeycomb design. It folds back on itself to give you the best lumbar support and comfort. Made with ultra-flexible polymer to support your tailbone. The honeycomb grid allows air to circulate through the cushion, so it's cool to the touch. Benefits: Keeps its shape Other foam cushions lose their shape after repeated use. Soon after purchase, they flatten out and don't provide any support. The support cushion is durable and made for everyday use. It retains its shape even if you sit on it all day, every day Fits most chairs Whether you need support for your computer chair, office chair, deep seat, car seat, or recliner, this can help Measuring 16" X 14" X 1.5", it fits almost any seat. And because it supports your back, you won't be lifted up in the seat. Machine washable cover We've included a soft, machine washable, non-slip cover. The soft polyester blend non-slip cover fabric sits against your skin so you can enjoy it. When it's time to wash, just throw it in the washing machine Package Contents: 1 Seat Cushion and Anti-Slip Cover Package Weight: 700g Product Dimensions (L x W x H): 37.00 x 34.00 x 5.00 cm or 14.57 x 13.39 x 1.97 in Package Dimensions (L x W x H): 45.00 x 35.00 x 6.00 cm or 17.72 x 13.78 x 2.36 in Package Contents: 1 Seat Cushion and Anti-Slip Cover Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.