This is horrible! Save your money and don't make the same mistake I did. The edges are razor sharp. It is not very stable. The slats that hold the mattresses are very cheap and the wood frays and splinters break off. The trundle slides in and out from below fine and fits well. The 6" mattresses on top and trundle bunks and then 8" on lower bunk work perfect, I will give it that. The stairs are SUPER steep. Over all I really regret this purchase and spending the $700. I have attached photos to show how I solved the issue with razor sharp edges...pool noodles!