I left the mattress alone for about 30 hours to fully inflate / form and the top edges were still not fully up. Luckily it did form after some time. Have now had the mattress 3 weeks and we think its a true medium firm. Was worried with foam it would be squishy but its not. The cover on the foam mattress does look a bit cheap but thats not so important..I have a waterproof mattress protector on and dont plan to test the mattress covers quality by removing it. The overall height - as others have said is not quite true to 12 but after reading that on the same 10 option - I opted for 12 over 10 so you just go up the next and At this thickness anyone should be fine to not feel it is a thin mattress. For this price and convenience - Im happy with the purchase.
Overall Satisfied with Mattress
I left the mattress alone for about 30 hours to fully inflate / form and the top edges were still not fully up. Luckily it did form after some time. Have now had the mattress 3 weeks and we think its a true medium firm. Was worried with foam it would be squishy but its not. The cover on the foam mattress does look a bit cheap but thats not so important..I have a waterproof mattress protector on and dont plan to test the mattress covers quality by removing it. The overall height - as others have said is not quite true to 12 but after reading that on the same 10 option - I opted for 12 over 10 so you just go up the next and At this thickness anyone should be fine to not feel it is a thin mattress. For this price and convenience - Im happy with the purchase.