{"product_id":"king-koil-elite-serenade-king-medium-mattress-medium-865915","title":"King Koil Elite Serenade King Medium Mattress - Medium","description":"Enjoy balanced comfort and advanced support with the King Koil Elite Serenade King Medium Mattress. Its medium feel adapts to your body’s contours, while breathable layers and memory foam reduce movement and enhance sleep quality. Active coils reinforce key pressure zones, and the mattress resists body impressions for long-term durability. With eco-conscious materials and a spacious king size, it’s a smart investment in both comfort and sustainability.","brand":"King Koil","offers":[{"title":"Default Title","offer_id":41757589798967,"sku":"865915","price":3899.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/4520\/8375\/files\/AHB-SERENADE-865907_20_1_f0a62320-7da1-485b-bb49-fbb70037c895.jpg?v=1751559045","url":"https:\/\/www.stancash.com.au\/products\/king-koil-elite-serenade-king-medium-mattress-medium-865915","provider":"Stan Cash","version":"1.0","type":"link"}