There are no ties to break or come undone & yet this seat pad won't slip forward when you lean back. Also far comfier than ordinary kitchen & dining chair pads, it contains memory foam so conforms perfectly to the contours of your body for softness, support & a pressure-relieving lift. Covered in attractive & durable textured chenille with bound edges & slip-resistant latex back. L40 x W40 x H4cm.