{"product_id":"king-koil-grand-symphony-super-king-firm-mattress-firm-865888","title":"King Koil Grand Symphony Super King Firm Mattress - Firm","description":"The King Koil Grand Symphony Super King Firm Mattress is expertly engineered to deliver firm, breathable comfort with advanced support tailored to your body’s unique shape and size. Featuring pressure-relieving materials and body-conforming memory foam, it helps minimise tossing and turning while promoting proper spinal alignment. Ideal for those who prefer a firmer sleep surface, this mattress offers targeted reinforcement through active coils that support key pressure zones. Its environmentally friendly construction reflects King Koil’s commitment to sustainability, while the resilient design resists body impressions for enduring comfort and performance. Perfect for couples or individuals seeking spacious, supportive sleep, the Grand Symphony Super King Firm Mattress combines luxury, durability, and eco-conscious innovation.","brand":"King Koil","offers":[{"title":"Default Title","offer_id":41757588422711,"sku":"865888","price":3299.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/4520\/8375\/files\/AHB-GRANDSYMPHONY-865886_20_1_9822d651-26bd-4d8e-84f1-fbf2ce20d225.jpg?v=1751558979","url":"https:\/\/www.stancash.com.au\/products\/king-koil-grand-symphony-super-king-firm-mattress-firm-865888","provider":"Stan Cash","version":"1.0","type":"link"}