Body Conforming & Pressure Relieving: The individual encased coils are positioned at the core of the mattress. On top, multi-layers comfort foam are laid in place. TEQSLI hybrid mattress has a certain amount of spring while also conforming to the body for targeted pressure relief, offering a balanced sleep experience for many individuals. Breathable Mattress to Sleep On: The cool cover is made of dual-layered soft knitted fabrics which is super breathable, it can help release moisture and regulate sleeping climate. Airy mesh on side promotes heat dissipation and independently encased coils beneath enhances airflow, which makes the sleeping environment cool and comfortable. You can get rid of hot on this bed mattress. Stronger Edge Support: This mattress has certain advantages over traditional innerspring mattress, such as better motion isolation, less noise, and longer lifespans on average. The edge support of this mattress has been strengthened, sleepers will not roll off or be ejected from the mattress. Individually Wrapped Coils: Stay asleep with individually-wrapped coils which help minimize motion transfer, contouring zones at the head, shoulders, knees and feet create the perfect symmetry to cradle your entire body in comfort. Cool Bed in a Box: The 0.8-inch graphite and copper gel infused memory foam absorbs and transfers heat away from the body. Mattress arrives rolled and compressed for easy delivery and set up. It fits all frames, box springs, wood foundation, etc. Note: Be cautious and keep enough distance when opening the mattress from the plastic, as it may smack people. 72 hours is recommended for the mattress to fully expand.