{"product_id":"king-koil-grand-symphony-king-single-firm-mattress-firm-865884","title":"King Koil Grand Symphony King Single Firm Mattress - Firm","description":"The King Koil Grand Symphony King Single Firm Mattress is expertly designed to deliver firm, breathable comfort with precision support tailored to individual sleepers. Featuring pressure-relieving materials and body-conforming memory foam, it responds to your unique shape and size to 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 long-lasting comfort and performance. Perfect for growing teens, solo sleepers, or guest rooms, the Grand Symphony King Single Firm Mattress combines durability, eco-conscious craftsmanship, and advanced sleep technology.","brand":"King Koil","offers":[{"title":"Default Title","offer_id":41757587996727,"sku":"865884","price":1999.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/4520\/8375\/files\/AHB-GRANDSYMPHONY-865886_20_1_beb8da19-4541-48b9-941d-c3cfd6e684a5.jpg?v=1751558975","url":"https:\/\/www.stancash.com.au\/products\/king-koil-grand-symphony-king-single-firm-mattress-firm-865884","provider":"Stan Cash","version":"1.0","type":"link"}