Visco elastic memory foam ensures the neck is never placed into extension. - A joy for patients to relax on - Supplied with wipe clean waterproof cover and removable spare fleece cover - Size: 31 dia x 8cm (12x3"). If this product is showing as out of stock (red dot), please note that as we manufacture this product on site it can normally be manufactured and available within 2/3 days of receiving your order.