Olee Sleep 11in Euro Box Top Hybrid Innerspring Mattress (King) 11SM02K Fine quality exterior packed with top edge quality innerspring mattressand high grade memory foam Independent encased pocket innerspring providing excellent motion isolation, experience the ultimate comfort Independent encased pocket innerspring providing superb weight distribution and relieves pressure points through out the body Top layer memory foam provides comfort and just the right firmness for you body to rest on Mattress compress packed in a box, easy to set up