Finally a brilliant mattress without the large price tag!!! 
The mattress is double the thickness of the other single mattresses we've had. The support is perfect. It moulds to my daughter's body but remains firm, unlike the previous ones that sunk down after a few months and all she could feel springs.
I'm really impressed! My daughter doesn't sleep well at night but has slept every night since she's had it.

My daughter's comment is "It's comfy and I feel like I can touch the ceiling".

Thank you Wayfair. Everything I buy from you is exceptional.