{"product_id":"extra-firm-king-mattress-14-inch-extra-medium-firm-dual-side-flippable-dual-firmness-memory-foam-for-back-pain-cool-gel-washable-ice-silk-cover-certipur-us-certified-thick-couple-bed-80x76","title":"Extra Firm King Mattress 14-Inch: Extra \u0026 Medium Firm Dual Side Flippable, Dual Firmness Memory Foam for Back Pain, Cool Gel Washable Ice Silk Cover, CertiPUR-US Certified, Thick Couple Bed 80x76","description":"【14inch Extra \u0026amp; Medium Firm Optional】This 2 sides extra firm king mattress lets you flip between extra firm and medium firm so you can match your comfort needs. If you're a heavier sleeper. worry about sinking. or want steadier back support. start with the Extra Firm side for stronger pushback and less deep sink. Prefer a little more cushion while still staying supported? Flip to Medium Firm\u003cbr\u003e【Upgrade 4 Layer Support Memory Foam Mattress】Our Dual-Firmness bed mattress built with a 4-layer memory foam to balance comfort and stability. The High-density memory foam structure delivers optimal support for your neck. shoulders. and back. This dual-firmness innovation ensures lasting comfort and stability for a truly restorative sleep.\u003cbr\u003e【Dual-Side Cover \u0026amp; Breathable Cool Design】Advanced A breathable. Green Tea-infused memory foam top layer enhances airflow for a fresher feel. Beneath it a Cooling Gel Memory Foam layer works to dissipate body heat. The entire core is wrapped in a dual-sided. zippered cover: use the Cooling Silk side for a remarkably cool touch. when the weather turns cooler. switch to the other side for a cozier. skin-friendly surface\u003cbr\u003e【CertiPUR-US Certified \u0026amp; Fiberglass-free Inner Liner】The extra firm mattress is CertiPUR-US certified (tested for content. emissions. and durability). and the cover is OEKO-TEX certified (tested for harmful substances). A fiberglass-free inner liner wraps very firm queen size mattress core to offering peace of mind with every night's sleep\u003cbr\u003e【Warm Customer Service】Your extra firm king mattress will be in a box for easy delivery and setup. Wait 24-72 hours for your extra firm mattress to fully expand to its original shape. any light new-foam smell typically fades in 2–7 days with ventilation. If your mattress extra firm queen is defective or damaged during delivery. our U.S.-based customer support team will happily work with you\u003cbr\u003e-","brand":"Glendan","offers":[{"title":"Queen (U.S. Standard)","offer_id":49255841595635,"sku":"647862831418572800-33261006-24891276-103381873-0-0-0-0","price":47.99,"currency_code":"USD","in_stock":true},{"title":"King (U.S. Standard)","offer_id":49255841628403,"sku":"647862831418572800-33261006-24891276-103381874-0-0-0-0","price":45.99,"currency_code":"USD","in_stock":true},{"title":"Twin XL","offer_id":49255841661171,"sku":"647862831418572800-33261006-24891276-103381875-0-0-0-0","price":51.99,"currency_code":"USD","in_stock":true},{"title":"Short Queen","offer_id":49255841693939,"sku":"647862831418572800-33261006-24891276-103381876-0-0-0-0","price":50.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0835\/5708\/9523\/files\/3a93ea04e19bf54606b4dfe3999bd02c23bfcc1bd0f996c7f46b0fc6579b6c5d.jpg?v=1781419797","url":"https:\/\/mietools.com\/products\/extra-firm-king-mattress-14-inch-extra-medium-firm-dual-side-flippable-dual-firmness-memory-foam-for-back-pain-cool-gel-washable-ice-silk-cover-certipur-us-certified-thick-couple-bed-80x76","provider":"Wayfair Outlet","version":"1.0","type":"link"}