The hybrid mattresses are designed with 7-zoned targeted support system, which will give you the best spine alignment and pressure relief. The cool cover is made of dual-layered soft knitted fabrics which are super breathable, it can help release moisture and regulate the sleeping climate. Underneath the cover, multi-layers of CertiPUR-US certified comfort foam are laid in place, creating a plush-to-sleep feel. The 7 zoned individual encased coils are positioned at the core of the mattress, conforming to the body for targeted pressure relief, offering a balanced sleep experience for many individuals. Airy mesh on the side promotes heat dissipation and independently encased coils beneath enhance airflow. The double mattress is shipped rolled, compressed, and vacuum-sealed in an easy-to-handle box. It fits all frames, box springs, wood foundation, etc. even on the floor directly

• Breathable Soft Knitted Fabric Cover - The top cover is made of dual-layered super breathable soft knitted fabrics, help absorb moisture and regulate temperature. 
• CertiPUR-Certified Foam - Made without any harmful substance like ozone depletes, PBDEs, TDCPP or TCEP ("Tris") flame retardants, mercury, lead, and other heavy metals.
• Individual Pocket Encased Coils - The individual pocket innerspring coils work independently, supporting body weight perfectly from head to toe, and reducing pressure points during the whole night. 
• Non-slip bottom - The solid-quality cotton blanket and strong non-slip bottom polyester fabric cover ensure the ultimate support of the whole mattress. 

Dimensions

Twin:      39 inches wide x 75 inches long x 12 inches thick

Full :       54 inches wide x 75 inches long x 12 inches thick

Queen :  60 inches wide x 80 inches long x 12 inches thick