{"id":11933,"date":"2026-07-16T18:20:46","date_gmt":"2026-07-16T18:20:46","guid":{"rendered":"https:\/\/richmondsleepproducts.com\/index.php\/item\/12-hybrid-memory-foam-mattress-in-a-bo\/"},"modified":"2026-07-16T18:20:46","modified_gmt":"2026-07-16T18:20:46","slug":"12-hybrid-memory-foam-mattress-in-a-bo","status":"publish","type":"itempress_product","link":"https:\/\/richmondsleepproducts.com\/index.php\/item\/12-hybrid-memory-foam-mattress-in-a-bo\/","title":{"rendered":"12&#8221; Hybrid Memory Foam Mattress In a Box Twin, Full, Queen,King Size Mattress"},"content":{"rendered":"<p>CertiPUR-US &amp; OEKO-TEX CertificationKOW hybrid mattress queen have passed CertiPUR-US and OEKO-TEX certification. The materials have been strictly tested and are absence of heavy metals and bad substances to ensure the health and safety of users. You can sleep comfortably on a fresh, non-odorous mattress. Breathable and Healthy Ultimate luxury slow springback foam made of high density and first-class temperature-sensitive material, comfortable and breathable, can expel the steamy sweat from the contact surface between you and mattress so to keep body comfortable and dry when sleeping KOW Luxury Support SystemKOW Luxury multilayer foma and pocket spring support systerm not just providing better support for your body, but also can absorb more pressure come from your body and the spring, providing more buffers for your body. Fully relax your muscles, greatly improve your sleeping quality. Multiple Size &amp; Bases Specification: Brand: KOW Thickness: 12 Inch Size: Twin \/ Twin XL \/ Full \/ Queen \/ King \/ California King Item Firmness Description: Medium Firm Construction Type: Hybrid Coil Type: Pocketed Coil Comfort Layer Material: Memory Foam Special Feature: Low Motion Transfer, Suitable for Various Sleepers, Motion Isolation, Long-Lasting Durability, Luxurious Sleep Surface, Breathability, Noiseless. Product information:ThicknesssizeFirmnessItem size12 InchTwinMedium39*75*1212 InchTwin XLMedium38*80*1212 InchFullMedium54*75*1012 InchQueenMedium60*80*1212 InchKingMedium76*80*1212 InchCalifornia KingMedium72*84*12 Package Content: 1x Mattress<\/p>\n","protected":false},"featured_media":0,"comment_status":"open","ping_status":"open","template":"","meta":{"_acf_changed":false,"content-type":""},"itempress_category":[566],"itempress_tag":[594,622,586,684,686,573,900,3544,558,3543,581,584,560,620,667,578,580,685,576,668,672,570,669,575,568,585,657,671],"class_list":["post-11933","itempress_product","type-itempress_product","status-publish","hentry","itempress_category-cat-131588","itempress_tag-10-years","itempress_tag-622","itempress_tag-30-days","itempress_tag-39-in-75-in","itempress_tag-54-lb-84-lb","itempress_tag-75-in-80-in","itempress_tag-900","itempress_tag-800-1200","itempress_tag-adults","itempress_tag-antibacterial-cover","itempress_tag-bedroom","itempress_tag-buyer","itempress_tag-certipur-us","itempress_tag-does-not-apply","itempress_tag-dry-clean","itempress_tag-fabric","itempress_tag-family","itempress_tag-gray","itempress_tag-high","itempress_tag-kow","itempress_tag-kowhy12","itempress_tag-medium-firm","itempress_tag-modern","itempress_tag-pocket-spring","itempress_tag-rectangle","itempress_tag-returns-accepted","itempress_tag-unit","itempress_tag-united-states"],"acf":[],"_links":{"self":[{"href":"https:\/\/richmondsleepproducts.com\/index.php\/wp-json\/wp\/v2\/itempress_product\/11933","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/richmondsleepproducts.com\/index.php\/wp-json\/wp\/v2\/itempress_product"}],"about":[{"href":"https:\/\/richmondsleepproducts.com\/index.php\/wp-json\/wp\/v2\/types\/itempress_product"}],"replies":[{"embeddable":true,"href":"https:\/\/richmondsleepproducts.com\/index.php\/wp-json\/wp\/v2\/comments?post=11933"}],"wp:attachment":[{"href":"https:\/\/richmondsleepproducts.com\/index.php\/wp-json\/wp\/v2\/media?parent=11933"}],"wp:term":[{"taxonomy":"itempress_category","embeddable":true,"href":"https:\/\/richmondsleepproducts.com\/index.php\/wp-json\/wp\/v2\/itempress_category?post=11933"},{"taxonomy":"itempress_tag","embeddable":true,"href":"https:\/\/richmondsleepproducts.com\/index.php\/wp-json\/wp\/v2\/itempress_tag?post=11933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}