12 inch queen mattress, coolvie hybrid mattress queen size gel memory foam with pocket springs, durable support and pressure relieving, mattress in a box, medium firm feel coolvie <p><b> 12 inch queen size mattress, medium firm hybrid mattress queen, memory foam and pocket coils, mattress in easy-carry boxl</b></p><p><b>what is a hybrid mattress?</b> -- while you will hear mattresses with different types of foam referred to as a “hybrid,” for our purposes we are speaking of mattresses with springs and then a comfort layer on top.</p><p><b><b>medium firm feel</b>-- offered in a universal, medium firmness that balances just the right amount of pressure point relief with optimal support. it contours to your body and relieves pain-causing pressure points.</p><p><b><b>more supportive and more durable</b>- --coils can handle heavier weights and provide additional support that you don't get with memory foam mattresses. this is especially helpful if you sleep on your back or stomach. because coils can handle heavier weight, hybrid mattresses can handle more wear and tear and tend to hold up longer than memory foam.