Update After 3 years! In the beginning this mattress was FIRM! save your hips, tailbone and shoulders by adding a 3" memory foam topper if you find it is too firm for you. That was a game changer as my husband and I both had soreness at pressure points. After 3 years it has a depression from where I've slept and sat up in the bed. I may need another mattress soon because of this. However getting this bed was was great and I love crawling into it every night! Original review: King mattress came within 5 days of ordering, inflated perfectly, easy set up (with two people to handle the heft). The bed has a softer top layer over a very firm base foam. I love it. My husband feels it may be too firm.