{"product_id":"perfect-sleeper-12-cobalt-calm-extra-firm-mattress","title":"Perfect Sleeper - 12\" Cobalt Calm Extra Firm Mattress","description":"Featuring a 3 zoned coil design, this mattress offers pressure relief and support where you need it, with a Cool Twist® Gel Memory Foam that contours to your body—with upgrades available with more cooling layers and support.\n\u003cbr\u003e\u003cb\u003ePerfect Sleeper - 12\" Cobalt Calm Extra Firm Mattress - Twin\u003c\/b\u003e\u003cbr\u003e38.0in L, 74.5in W, 12.0in H, and 43.84 lb\n\u003cbr\u003e\u003cb\u003ePerfect Sleeper - 12\" Cobalt Calm Extra Firm Mattress - Twin Long\u003c\/b\u003e\u003cbr\u003e38.0in L, 79.5in W, 12.0in H, and 46.52 lb\n\u003cbr\u003e\u003cb\u003ePerfect Sleeper - 12\" Cobalt Calm Extra Firm Mattress - Full\u003c\/b\u003e\u003cbr\u003e53.0in L, 74.5in W, 12.0in H, and 61.46 lb\n\u003cbr\u003e\u003cb\u003ePerfect Sleeper - 12\" Cobalt Calm Extra Firm Mattress - Queen\u003c\/b\u003e\u003cbr\u003e60.0in L, 79.5in W, 12.0in H, and 73.84 lb\n\u003cbr\u003e\u003cb\u003ePerfect Sleeper - 12\" Cobalt Calm Extra Firm Mattress - King\u003c\/b\u003e\u003cbr\u003e76.0in L, 79.5in W, 12.0in H, and 94.99 lb\n\u003cbr\u003e\u003cb\u003ePerfect Sleeper - 12\" Cobalt Calm Extra Firm Mattress - California King\u003c\/b\u003e\u003cbr\u003e72.0in L, 83.5in W, 12.0in H, and 96.95 lb\n","brand":"Serta","offers":[{"title":"Blue \/ California King","offer_id":53288829518191,"sku":"500104181-1070","price":1629.99,"currency_code":"USD","in_stock":true},{"title":"Blue \/ King","offer_id":53288829550959,"sku":"500104181-1060","price":1629.99,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Queen","offer_id":53288829583727,"sku":"500104181-1050","price":1169.99,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Twin Long","offer_id":53288829616495,"sku":"500104181-1020","price":1109.99,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Full","offer_id":53288829649263,"sku":"500104181-1030","price":1139.99,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Twin","offer_id":53288829682031,"sku":"500104181-1010","price":1049.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/6528\/5487\/files\/f3d676be-f40a-4c7d-8516-91f603edf61b.jpg?v=1786543022","url":"https:\/\/www.darbysfurniture.com\/products\/perfect-sleeper-12-cobalt-calm-extra-firm-mattress","provider":"Darby's Big Furniture","version":"1.0","type":"link"}