The product is an Oval Pillow Insert + Back Mount designed specifically for Jacuzzi J-300 Series Hot Tubs and Spas manufactured between 2004-2018. Made of polyurethane and plastic, it comes with a 1-year manufacturer warranty and includes one item in the pack. The set is compatible with the Jacuzzi brand and features dimensions as shown in the pictures. This item is a replacement for models 2455-263 and 2472-824, offering a comfortable and durable option for enhancing your spa or hot tub experience.