{"product_id":"full-size-mattress-12-in-pocket-spring-and-memory-foam-medium-firm","title":"Full Size Mattress 12 in Pocket Spring and Memory Foam - Medium Firm","description":"\u003cp\u003eIn this review of the Full Size 12 in mattress, the bottom line is straightforward: this mattress is for sleepers who want a balanced medium firm feel with strong support and reliable motion isolation. The hybrid construction combines thousands of individually wrapped pocket springs with memory foam layers to relieve pressure and maintain spinal alignment, making it a sensible choice for couples and back sleepers who value edge support and quiet nights. Setup is simple: unbox, unroll and allow 48-72 hours to fully expand.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium Firm Comfort:\u003c\/strong\u003e The mattress is tuned to a medium firm feel, offering a mix of cushioning and support that helps maintain spinal alignment and reduce pressure on common sore spots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePocket Spring Support:\u003c\/strong\u003e Thousands of individually wrapped coils provide zoned support from head to toe, which minimizes motion transfer and reduces partner disturbance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThick Coil Base:\u003c\/strong\u003e Five inches of heavy gauge steel coils form a durable base that resists sagging and keeps the mattress stable on most frames.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEdge Support:\u003c\/strong\u003e Thicker coils at the perimeter provide firmer edges so users can sit or sleep near the edge without excessive roll-off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertiPUR-US Foam:\u003c\/strong\u003e The foam layers are CertiPUR-US certified for low emissions and no harmful substances, offering a safer sleep surface for families.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMattress in a Box:\u003c\/strong\u003e The mattress ships compressed for easier transport and expands at home; allow 48-72 hours for full expansion and odor dissipation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis mattress suits couples who need strong motion isolation and sleepers who prefer a medium firm surface with responsive support from pocketed coils. It also works well for people who want a mattress that fits platform beds, foundations, box springs or bunk bed frames without complex setup.\u003c\/p\u003e\u003cp\u003eThose who want an ultra-plush topper feel or a very firm orthopedic option should look elsewhere, as the design targets a balanced medium firm profile rather than a soft pillow-top or an extra-firm medical mattress.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComfortable medium firm feel that balances cushioning and support for most sleepers.\u003c\/li\u003e\n\u003cli\u003eExcellent motion isolation due to individually wrapped pocket springs, useful for couples.\u003c\/li\u003e\n\u003cli\u003eStrong edge support from thicker perimeter coils increases usable sleep surface.\u003c\/li\u003e\n\u003cli\u003eCertiPUR-US foam and durable knit cover provide a safer, long-lasting sleep surface.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInitial off-gassing may be noticeable; recommended to wait 48-72 hours for full dissipation.\u003c\/li\u003e\n\u003cli\u003eNot aimed at users who require an ultra-soft or very firm specialty mattress.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSelene Bedding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003eFull\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eHybrid with pocket springs and memory foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Base\u003c\/td\u003e\n\u003ctd\u003e5 in heavy gauge steel coils\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCertiPUR-US foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCover\u003c\/td\u003e\n\u003ctd\u003ePremium stretch knit fabric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Full Size 12 in hybrid mattress is a practical choice for couples and back sleepers who want medium firm support, strong edge stability and good motion isolation at an affordable value. It delivers consistent comfort, easy setup and trusted materials, making it a smart buy for most bedroom setups where balanced support and pressure relief matter most.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eHow long until the mattress is ready to sleep on?\u003c\/strong\u003e\u003cbr\u003eAllow 48-72 hours for the mattress to fully expand and for any initial odor to dissipate before judging final comfort.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill this fit my platform or box spring bed?\u003c\/strong\u003e\u003cbr\u003eYes, the mattress is suitable for platform beds, foundations, box springs and bunk bed frames; contact support if you need help with fit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the foam safe for families?\u003c\/strong\u003e\u003cbr\u003eThe foam layers are CertiPUR-US certified, which means they are made without certain harmful substances and meet emissions standards.\u003c\/p\u003e","brand":"Selene Bedding","offers":[{"title":"Default Title","offer_id":48185916883163,"sku":"B0D12BTHZV","price":229.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/913h3H5g6aL._AC_SL1500.jpg?v=1769614699","url":"https:\/\/gearmusthave.com\/products\/full-size-mattress-12-in-pocket-spring-and-memory-foam-medium-firm","provider":"GearMustHave","version":"1.0","type":"link"}