SOMEHOW IT TORE THE FIRST WEEK AT THE SEAM ON THE TOP.  GOT IT CONTAINED MEANING IT HASNT RIPPED ANY FURTHER BUT WAS VERY DISAPPOINTED  THE COLORS ARE AWESOME  I GOT THE BLUE FOR MY SON.  HES BEEN SLEEPING ON IT ALL SUMMER LONG  WITHOUT BACK PAIN  I GOT THE 12 INCH IT I VERY HEAVY  GET IT ON THE FRAME AND LEAVE IT ALONE JUST AS THE DIRECTIONS SAY