{"product_id":"essential-king-nonagon","title":"Essential Boat Mattress - King","description":"\u003cp\u003eReliable overnight sleeping comfort arrives with this Essential boat mattress, featuring full foam construction that maintains supportive consistency whether you're moored at the marina or anchored in open water. Birmingham manufacturing expertise ensures every king-size mattress meets exacting British quality standards, while seven depth options guarantee exact fitting within your vessel's sleeping quarters. The hypoallergenic zip-off cover provides easy maintenance for marine environments, and our 2-year guarantee backs every mattress we produce. Custom-cut to your precise measurements and delivered free across England, Scotland, and Wales within 10-14 days.\u003c\/p\u003e","brand":"CaravanMattresses","offers":[{"title":"5\" inch \/ 12.5cm - Standard support","offer_id":55574345154936,"sku":"EssentialK302","price":369.0,"currency_code":"GBP","in_stock":true},{"title":"6\" inch \/ 15cm - Standard support","offer_id":55574345187704,"sku":"EssentialK303","price":409.0,"currency_code":"GBP","in_stock":true},{"title":"8\" inch \/ 20cm - Premium support","offer_id":55574345220472,"sku":"EssentialK304","price":459.0,"currency_code":"GBP","in_stock":true},{"title":"10\" inch \/ 25cm - Luxury support","offer_id":55574345253240,"sku":"EssentialK305","price":539.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/8969\/4267\/files\/Nonagon_Boat_Mattress.jpg?v=1748011239","url":"https:\/\/www.caravanmattresses.co.uk\/products\/essential-king-nonagon","provider":"CaravanMattresses.co.uk","version":"1.0","type":"link"}