The Total Vision Back Support Memory Foam Cushion is a comfortable and ergonomic cushion made of high-quality memory foam. It provides support and relieves pressure on your back, promoting proper spinal alignment and reducing strain. Its contoured shape and removable cover make it suitable for use in various settings, such as office chairs and car seats. The cushion aims to enhance comfort, alleviate discomfort, and contribute to a healthier posture while sitting. (17.75"W x 2"L x 12.50" H) Measures 3" x 13" x 16". Additional Details ------------------------------ Product description: Back support for pain relief Get the support you need to sit comfortably and ease pain. This cushion has memory foam for all-day comfort. It's portable and lightweight so you can take it anywhere. Perfect for home or your car! Polyester/polyurethane. 17.75" x 2" x 12.5".