HYBRID MATTRESS KING: Measures 76" W x 80" L x 12"H/ Weight: 70 LBS. Suitable for King bed frames, and the mattress jacket is removable and machine-washed CERTIPUR US CERTIFIED: The foam is CertiPUR US Certified for durability, performance, and content 5 LAYERS FOAM RELIEF PRESSURE: This king hybrid mattress consists of gel memory foam, cooling supportive fusion foam, and 609 motion-isolating independent pocket springs. Neither too firm nor too soft, the “just-right” medium feel is perfect for all sleeping positions MATTRESS IN A BOX: By using advanced compression technology, rolled and shipped in a bag, reducing packaging size. This luxurious mattress is compressed and smartly shipped in a box and set-up, so you can easily carry it up the stairs through a narrow door. Please allow the new mattress 24 - 72 hours to recover its original shape ENHANCED EDGE SUPPORT: Our mattresses are made of individually wrapped springs for greater edge support. In addition, they are combined with a great foam base that allows you to sit on the edge of your innerspring mattress. This structurally reinforces the edge of the mattress A leading sleep specialist! The mattress is one of our services, people will spend one-third of the time in their lives. In order to match our luxurious electric bed and enjoy bedtime, we designed a mattress and adopted an advanced 12-inch hybrid mattress to be a combo. Experience a luxury feeling with the NEW 2023 ESHINE 12” Gel Memory Foam Hybrid Mattress. Let us enjoy sleep！ From top to bottom in this King mattress: 2.5” gel infused air memory foam (light blue) 2.2” high high-density memory foam 6.3” pocket spring support system & 6.3” encased foam support system 1” high density support foam