Was purchased for $140, selling for $90.00 purple.com/seat-cushions/office-chair -A great option for office chairs, the Double Seat Cushion features two layers of Grid to keep you supported – even when you're working overtime. The design allows for especially long-lasting comfort, making it a favorite for the office and work-from-home setups. Size: 18" x 16" x 2" Weight: 5 lbs