{"product_id":"king-koil-elite-serenade-king-single-firm-mattress-firm-865905","title":"King Koil Elite Serenade King Single Firm Mattress - Firm","description":"The King Koil Elite Serenade King Single Firm Mattress is designed to deliver firm, restorative support in a spacious single format. Featuring breathable, pressure-relieving comfort and resilient materials, it helps maintain healthy spinal alignment while reducing tossing and turning. Memory foam gently conforms to your body, while active coils provide targeted reinforcement where it’s needed most. Resistant to body signatures, this mattress retains its shape and performance over time. Crafted with environmentally friendly materials, the Elite Serenade King Single Firm Mattress is a sustainable choice that combines durability, innovation, and comfort—ideal for growing teens, solo sleepers, or guest rooms.","brand":"King Koil","offers":[{"title":"Default Title","offer_id":41757589241911,"sku":"865905","price":2199.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/4520\/8375\/files\/AHB-SERENADE-865907_20_1_97b90c29-e1b8-4a0b-bda3-339111e2dd77.jpg?v=1751559016","url":"https:\/\/www.stancash.com.au\/products\/king-koil-elite-serenade-king-single-firm-mattress-firm-865905","provider":"Stan Cash","version":"1.0","type":"link"}