Under the bed is terrible. The small slabs of wood to hold the bed should have been one thick full piece or just fully seal under. These are very unstable especially if you have a husky toddler.   This wasn't made for kids in mind for strength on top of it being weak  already and being busted the first day of set up. Kids jump which would worsen this condition .  One piece of wood is made to tighten with screws and the screws busted through the area u screw it in by contractor setting it up. Weak. I need to purchase a slab of wood to reinforce it. Overpriced for low quality shortcuts done underneath holding mattress. Then got the nerve to have stretchy straps to suppose weight and wood.  Everything else fine . Frame is strong only