I received the Eurotop Innerspring mattress by Alwyn Home on Tuesday 103018. That same day we took it out the box and laid it rolled up on the bed the slowly took the wrapping off and it came flying out right on the bed. It's the best best way to do do it. We let it €œexpand€ for 4 full days. It expanded to 10€ and 11€ in some areas but not the full 12. The SMELL is horrendous. I let the sun come in and opened all the windows and it still stinks bad. To me it smells like wet clothes left in the washer for days and to my husband it smell like chemicals. The material fits loosely on the mattress bc it never expanded it full 12€ and in some areas the thread began to unravel. I don't recommend buying this to anyone. I don't know how some customers have it more than a star. I will have to buy a mattress the traditional way. Going to ask for money back.