{"product_id":"king-koil-grand-symphony-long-single-firm-mattress-firm-865883","title":"King Koil Grand Symphony Long Single Firm Mattress - Firm","description":"The King Koil Grand Symphony Long Single Firm Mattress is 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 solo sleepers who prefer a firmer feel, 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, guest rooms, or adjustable bed bases, the Grand Symphony Long Single Firm Mattress combines durability, eco-conscious craftsmanship, and advanced sleep technology.","brand":"King Koil","offers":[{"title":"Default Title","offer_id":41757587931191,"sku":"865883","price":1799.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/4520\/8375\/files\/AHB-GRANDSYMPHONY-865886_20_1_8b63bbeb-5706-4816-9424-ee6a6ae60a8a.jpg?v=1751558972","url":"https:\/\/www.stancash.com.au\/products\/king-koil-grand-symphony-long-single-firm-mattress-firm-865883","provider":"Stan Cash","version":"1.0","type":"link"}