{"product_id":"royal-polestar-rock-mattress","title":"Royal Polestar Rock Mattress","description":"\u003ch2\u003eRoyal Polestar Rock Mattress\u003c\/h2\u003e\n\u003cp\u003eFirm. Supportive. Uncompromising. The Polestar Rock is built for sleepers who demand maximum firmness and orthopaedic-grade support. A dense, high-resilience foam core provides an almost rigid sleeping surface that keeps your spine in perfect alignment all night — ideal for those recovering from back issues or who simply prefer a very firm bed.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtra-firm high-resilience foam core\u003c\/strong\u003e — maximum orthopaedic support\u003c\/li\u003e\n\u003cli\u003eIdeal for back pain and spinal alignment\u003c\/li\u003e\n\u003cli\u003eDiamond-quilted breathable cover — soft to the touch, firm beneath\u003c\/li\u003e\n\u003cli\u003eNo-turn, no-spring design — low maintenance\u003c\/li\u003e\n\u003cli\u003eRecommended for front and back sleepers\u003c\/li\u003e\n\u003cli\u003eSuitable for all bed types: ottoman, divan, slatted and solid bases\u003c\/li\u003e\n\u003cli\u003eFree UK delivery — 5 to 7 working days\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDimensions (cm)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eWidth\u003c\/th\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmall Double\u003c\/td\u003e\n\u003ctd\u003e120\u003c\/td\u003e\n\u003ctd\u003e190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDouble\u003c\/td\u003e\n\u003ctd\u003e135\u003c\/td\u003e\n\u003ctd\u003e190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKing\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuper King\u003c\/td\u003e\n\u003ctd\u003e180\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDelivery \u0026amp; Guarantee\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFree UK delivery\u003c\/li\u003e\n\u003cli\u003e24-month warranty\u003c\/li\u003e\n\u003cli\u003e30-day comfort guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Royalistic Beds","offers":[{"title":"Single","offer_id":42806509764693,"sku":"RB-MAT-PRK-SIN","price":229.0,"currency_code":"GBP","in_stock":true},{"title":"Small Double","offer_id":42806509797461,"sku":"RB-MAT-PRK-SDB","price":279.0,"currency_code":"GBP","in_stock":true},{"title":"Double","offer_id":42806509830229,"sku":"RB-MAT-PRK-DBL","price":279.0,"currency_code":"GBP","in_stock":true},{"title":"King","offer_id":42806509862997,"sku":"RB-MAT-PRK-KNG","price":329.0,"currency_code":"GBP","in_stock":true},{"title":"Super King","offer_id":42806509895765,"sku":"RB-MAT-PRK-SKG","price":429.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/6575\/5477\/files\/royalPolestarRockMattress_2ade6cbd-bcad-4a69-a18c-8cd526a9e247.png?v=1785427475","url":"https:\/\/royalisticbeds.com\/products\/royal-polestar-rock-mattress","provider":"Royalistic Beds","version":"1.0","type":"link"}