I ordered 2 (for my teenage sons). Although I would have loved to buy them both new beds entirely, this purchase became a temporary solution for their aging mattressses. The mattresses arrived within the 10 business days, I opened them...laid them out flat to air them out, as I read I should do through the many reviews I viewed before choosing these particular toppers. The packaged smell faded away over 24hrs (I chose to flip them both OVER back and forth throughout the 24 hrs and that worked well). The topper has a separate sheet enclosure from the actual foam pad with more padding in it... Which is fantastic as it reaches under their box springs and holds the topper in place nicely; along with the fact it can be removed and washed. I felt the price was fair for these toppers after having the boys sleep on them for about a month now they seem to be feeling the difference. I would definitely reccommend it to anyone looking to soften up their aging mattress when you can't afford to go out and replace it. Keep in mind it's not a memory foam "mattress" it is a TOPPER. I read complaints about the thickness in other reviews so I felt compelled to add that.