We love this bed! It is very well built, much better than another brand we purchased from another vendor online a couple of years ago. It was easy enough to put together for my husband and me. The slats do not just lay on the frame but are actually locked into place by way of special hard plastic pieces. Great design! We purchased a mattress at Ikea and while there is a bit of a gap between the mattress and the frame on all ends, it is not too wide and easily covered by bedding. Ours is the dark grey one, which is a bit darker than the Wayfair pictures show but is very elegant indeed. We may purchase another one for the guest room.