Brand new ergonomic seat cushion provides support and comfort for all-day use. Made with strong, charcoal memory foam means this seat is both odor-resistant and all-day comfortable. Soft and breathable fabric on top that wicks moisture and keeps you cool. The underside has grippy dots to keep the cushion in place on office chairs, car seats, and more. The cushion itself didn't come with tags, but it is brand new and ready for your use! Width = 18" Length = 15.5" Height = 4"